Studyadz 3as-physique-c3-56-73

1. ‫ﺻﻔﺤﺔ‬ 1 ‫ﻣﻦ‬ 9 ‫اﻟﺸﻌﺒﻴﺔ‬ ‫اﻃﻴﺔ‬‫ﺮ‬‫اﻟﺪﳝﻘ‬ ‫ﻳﺔ‬‫ﺮ‬‫اﺋ‬‫ﺰ‬‫اﳉ‬ ‫ﻳﺔ‬‫ر‬‫اﳉﻤﻬﻮ‬ ‫اﻟﻮﻃﻨﻴﺔ‬ ‫اﻟﱰﺑﻴﺔ‬ ‫ارة‬‫ز‬‫و‬ ‫واﳌﺴﺎﺑﻘﺎت‬ ‫ت‬$‫ﻟﻼﻣﺘﺤﺎ‬ ‫اﻟﻮﻃﲏ‬ ‫اﻟﺪﻳﻮان‬ ‫اﻟﺜﺎﻧﻮي‬ ‫اﻟﺘﻌﻠﻴﻢ‬ (‫ﺑﻜﺎﻟﻮر‬ ‫اﻣﺘﺤﺎن‬ (‫)ﲡﺮﻳﱯ‬ :‫دورة‬ 2019 ‫ﺣﻀﺮي‬ ‫أﲪﺪ‬ ‫ﻧﻮﻳﺔ‬G - ‫اﻟﺴﻤﺎر‬ ‫اع‬‫ر‬‫ذ‬ - ‫اﳌﺪﻳﺔ‬ ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫اﻟﺸﻌﺒﺔ‬ ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ :‫اﳌﺪة‬ 04 ‫و‬ ‫ﺳﺎ‬ 30 ‫د‬ :]]‫اﻵﺘ‬ ]‫اﻟ_^ﻀ^ﻋ‬ `‫أﺤ‬ ‫ﺎر‬ab ‫أن‬ ‫ﺸﺢ‬ca_‫اﻟ‬ ‫ﻋﻠﻰ‬ ‫اﻷ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ ‫وﻝ‬ ‫ﻋﻠﻰ‬ ‫اﻷوﻝ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ $^ad ) 05 ( ‫ﺎت‬d‫ﺼﻔ‬ ) ‫ﺔ‬d‫ﻔ‬e‫اﻟ‬ ‫ﻤ‬ 1 ‫ﻤ‬ 9 ‫ﺔ‬d‫ﻔ‬e‫اﻟ‬ ‫إﻟﻰ‬ 4 ‫ﻤ‬ 9 ( :‫اﻷوﻝ‬ ‫ء‬ fg‫اﻟ‬ ) 14 ‫ﺔ‬h‫ﻨﻘ‬ ( :‫وﻝ‬ ‫اﻷ‬ ic_a‫اﻟ‬ ) 06 j‫ﻨﻘﺎ‬ ( 1 - ‫ﺟﺴﻤﺎ‬ ‫ﻧﻘﺬﻑ‬ (s) ‫ﻧﻘﻄﺔ‬ ‫ﻣﻦ‬ ‫ﻣﺎﺩﻳﺔ‬ ‫ﻧﻘﻄﺔ‬ ‫ﻧﻌﺘﺒﺮﻩ‬ A ‫ﺑﺰﺍﻭﻳﺔ‬ ‫ﺍﻷﻓﻖ‬ ‫ﻋﻦ‬ ‫ﻳﻤﻴﻞ‬ ‫ﺃﻣﻠﺲ‬ ‫ﻣﺴﺘﻮﻱ‬ ‫ﺃﺳﻔﻞ‬ ‫ﺗﻘﻊ‬ ߙ ‫ﺧﻂ‬ ‫ﻭﻓﻖ‬ ‫ﺍﻷ‬ ‫ﺍﻟﻤﻴﻞ‬ ‫ﺑﺴﺮﻋﺔ‬ ‫ﻋﻈﻤﻲ‬ ‫ݒ‬஺ ‫ﺍﻟﻨﻘﻄﺔ‬ ‫ﺇﻟﻰ‬ ‫ﻓﻴﺼﻞ‬ ܱ ‫ﻗﺪﺭﻫﺎ‬ ‫ﺑﺴﺮﻋﺔ‬ ‫ݒ‬଴ ‫ﺍﻟﺸﻜﻞ‬ ‫ﻓﻲ‬ ‫ﻣﺒﻴﻦ‬ ‫ﻫﻮ‬ ‫ﻛﻤﺎ‬ – 1 . ‫ﺃ‬ - ‫ﺍﻟﺠﺴﻢ‬ ‫ﻋﻠﻰ‬ ‫ﺍﻟﻤﺆﺛﺮﺓ‬ ‫ﺍﻟﻘﻮﻯ‬ ‫ﻞ‬ّ‫ﺜ‬‫ﻣ‬ ሺܵሻ . ‫ﺏ‬ - ‫ﺍﻟﺠﺴﻢ‬ ‫ﻋﻠﻰ‬ ‫ﻟﻨﻴﻮﺗﻦ‬ ‫ﺍﻟﺜﺎﻧﻲ‬ ‫ﺍﻟﻘﺎﻧﻮﻥ‬ ‫ﺑﺘﻄﺒﻴﻖ‬ ሺܵሻ ‫ﺍﻟﻤﺴﺎﺭ‬ ‫ﻋﻠﻰ‬ ‫ﺍﻟﺤﺮﻛﺔ‬ ‫ﺗﺴﺎﺭﻉ‬ ‫ﻋﺒﺎﺭﺓ‬ ‫ﺃﻭﺟﺪ‬ ‫ܱܣ‬ . ‫ﺟـ‬ - ‫ﺍ‬ ‫ﻋﻠﻰ‬ ‫ﺍﻟﺤﺮﻛﺔ‬ ‫ﻁﺒﻴﻌﺔ‬ ‫ﻣﺎ‬ ‫ﻟﻤﺴﺎﺭ‬ ‫ܱܣ‬ .‫ﺇﺟﺎﺑﺘﻚ‬ ‫؟ﻋﻠﻞ‬ 2 – ‫ﺍﻟﻨﻘﻄﺔ‬ ‫ﺑﻌﺪ‬ ‫ﺍﻟﺠﺴﻢ‬ ‫ﺣﺮﻛﺔ‬ ‫׷‬ ܱ ‫ﻓﺎﺻﻠﺔ‬ ‫ﺗﻐﻴﺮﺍﺕ‬ ( ‫ﺃ‬ )‫ﺍﻟﺒﻴﺎﻥ‬ ‫ﻳﻤﺜﻞ‬ ( ‫ﺏ‬ )‫ﺍﻟﺒﻴﺎﻥ‬ ‫ﻳﻤﺜﻞ‬ ‫ﻭ‬ ،‫ﺍﻟﺰﻣﻦ‬ ‫ﺑﺪﻻﻟﺔ‬ ‫ﺍﻟﻘﺬﻳﻔﺔ‬ ‫ﺍﻟﻤﺮﻛﺒﺔ‬ ‫ﺗﻐﻴﺮﺍﺕ‬ ‫ݒ‬௬ ‫ﺍﻟﻤﺤﻮﺭ‬ ‫ﻋﻠﻰ‬. ‫ﺍﻟﻘﺬﻳﻔﺔ‬ ‫ﻟﺴﺮﻋﺔ‬ ܱܻ :‫ﺍﻟﺰﻣﻦ‬ ‫ﺑﺪﻻﻟﺔ‬ ‫ﺃ‬ - ‫ﺑﺎﻟﺒﻴﺎﻧﻴﻦ‬ ‫ﻣﺴﺘﻌﻴﻨﺎ‬ (‫)ﺃ‬ ‫ﻭ‬ (‫)ﺏ‬ ‫ﺍﺳﺘﻨﺘﺞ‬ ‫ݒ‬଴௬ ‫ﻭ‬ ‫ݒ‬଴௫ ‫ﺷﻌﺎﻉ‬ ‫ﻣﺮﻛﺒﺘﻲ‬ ‫ﺍﻟﺴﺮﻋﺔ‬ .‫ﻁﻮﻳﻠﺘﻪ‬ ‫ﺃﺣﺴﺐ‬ ‫ﺛﻢ‬ ، ‫ﺏ‬ - ‫ﺍﻟﺰﺍﻭﻳﺔ‬ ‫ﻗﻴﻤﺔ‬ ‫ﺃﺣﺴﺐ‬ ߙ . 3 - ‫ﺍﻟﺠﺴﻢ‬ ‫ﺳﺮﻋﺔ‬ ‫ﺃﺣﺴﺐ‬ ،(‫ﺃﺭﺽ‬+‫)ﺟﺴﻢ‬ ‫ﺍﻟﺠﻤﻠﺔ‬ ‫ﻋﻠﻰ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﺍﻧﺤﻔﺎﻅ‬ ‫ﻣﺒﺪﺃ‬ ‫ﺑﺘﻄﺒﻴﻖ‬ ‫ﺍﻟﻤﻮﺿﻊ‬ ‫ﻋﻨﺪ‬ ‫ܣ‬ ‫ﺃﻥ‬ ‫ﻋﻠﻤﺎ‬ ‫ܱܣ‬ ൌ ͳǡͷ݉ ቀ‫أ‬ቁ ‫ﺎن‬gh‫اﻟ‬ 0 0,25 1 ‫ݐ‬ሺ‫ݏ‬ሻ ‫ݔ‬ሺ݉ሻ ௩బ ሱ ۛ ሮ 0 0,2 2 ‫ݐ‬ሺ‫ݏ‬ሻ ‫ݒ‬௬ሺ݉Ǥ ‫ݏ‬ିଵ ሻ ቀ‫ب‬ቁ ‫ﺎن‬gh‫اﻟ‬ e n e n c y e n n c c y y y y e n e n n c n c y c y c e e n c 2 n c c c c c c n c n c n c n c c y c y c c c c c c c c y - e d u c a t i o n . c o m / e x a m s m s ‫اﻟﺸﻌﺒﺔ‬ ‫اﻟﺸ‬ ‫ﻣﺎ‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ ‫اﻷوﻝ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ ‫اﻷ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ $ $^ad $ $ 14 ‫ﺔ‬h‫ﻨﻘ‬ ‫ﺔ‬h ( ( 0 j‫ﻨﻘﺎ‬ j ( (j j j ‫ﻧﻘﻄ‬ ‫ﻣﻦ‬ ‫ﻣﺎﺩﻳﺔ‬ ‫ﻧﻘﻄﺔ‬ ‫ﺘﺒﺮﻩ‬ ‫ﻣﺎﺩﻳﺔ‬ ‫ﻧﻘﻄﺔ‬ ‫ﺍﻟﻨﻘﻄﺔ‬ ‫ﺇﻟﻰ‬ ‫ﻓﻴﺼﻞ‬ ‫ﺍﻟﻨﻘﻄﺔ‬ ‫ﺇﻟﻰ‬ ‫ﺼﻞ‬ ܱ ‫ﺑ‬ ‫ﺠﺴﻢ‬ ሺ ሺܵ ܵ ሻ ሻ . ‫ﺍﻟﺠﺴﻢ‬ ‫ﻋﻠﻰ‬ ‫ﺍﻟﺠﺴﻢ‬ ሺ ሺܵ ܵ ሻ ሻ ‫ﺃﻭﺟ‬ .‫ﺇﺟﺎﺑﺘﻚ‬ ‫؟ﻋﻠﻞ‬ .‫ﺇﺟﺎﺑﺘﻚ‬ ‫ﻞ‬ ‫ﻓﺎﺻﻠﺔ‬ ‫ﺗﻐﻴﺮﺍﺕ‬ ( ‫ﻓﺎﺻﻠﺔ‬ ‫ﺕ‬ ‫ﺍﻟﻤﺮﻛﺒﺔ‬ ‫ﻛﺒﺔ‬ :‫ﻦ‬ a m ቀ ቀ‫أ‬ ‫أ‬ ቁ ቁ ‫ﺎن‬gh‫ﻟ‬ e d u c a e d u c a e e d e d d u d u u c u c d u u c c a c a a a e d d u d d u u d u c ‫ݐ‬ ‫ݐ‬ ሺ ሺ ‫ݏ‬ ‫ݏ‬ ሻ c y - y - y y y - y c y - ‫ݒ‬௬ ௬ ‫ݒ‬ ‫ݒ‬ ሺ ሺ ݉ ݉Ǥ Ǥ ‫ݏ‬ିଵ ሻ 3as.ency-education.com

2. (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫اﻟﺸﻌﺒﺔ‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ 2019 ‫ﺻﻔﺤﺔ‬ 2 ‫ﻣﻦ‬ 9 4 - ‫ﺍﻟﺠﺴﻢ‬ ‫ﻓﻴﻬﺎ‬ ‫ﻳﺼﻞ‬ ‫ﺍﻟﺘﻲ‬ ‫ﺤﻈﺔ‬ّ‫ﺍﻟﻠ‬ ‫ﺑﺎﻋﺘﺒﺎﺭ‬ ሺܵሻ ‫ﺍﻟﻤﻮﺿﻊ‬ ‫ﺇﻟﻰ‬ ܱ ‫ﻣﺒﺪﺃ‬ ‫ﻟﻸﺯﻣﻨﺔ‬ ‫ݐ‬ ൌ Ͳ ، ‫ﺑﺈﻫﻤﺎﻝ‬ ‫ﻭ‬ .‫ﺍﻟﻬﻮﺍء‬ ‫ﺗﺄﺛﻴﺮ‬ ‫ﺃ‬ - ‫ﺍﻟﺠﺴﻢ‬ ‫ﻋﻄﺎﻟﺔ‬ ‫ﻣﺮﻛﺰ‬ ‫ﻣﺴﺎﺭ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺃﻭﺟﺪ‬ ሺܵሻ ‫ﺍﻟﻤﻌﻠﻢ‬ ‫ﻓﻲ‬ (O ; OX ; OY) . ‫ﺏ‬ - ‫ﺍﻟﻨﻘﻄﺔ‬ ‫ﺑﻌﺪ‬ ‫ّﺩ‬‫ﺪ‬‫ﺣ‬ f ‫ﺍﻟﻨﻘﻄﺔ‬ ‫ﻋﻦ‬ ܱ . ‫ﺟـ‬ - ‫ﺍﻟﻨﻘﻄﺔ‬ ‫ﺇﺣﺪﺍﺛﻴﻲ‬ ‫ﺃﻭﺟﺪ‬ ‫ܪ‬ ‫ﺑﺎﻷ‬ ‫ﺍﻟﻘﺬﻳﻔﺔ‬ ‫ﺍﺻﻄﺪﺍﻡ‬ ‫ﻧﻘﻄﺔ‬ ‫ﺭ‬ ‫ﺽ‬ :‫ﻳﻌﻄﻰ‬ ݃ ൌ ͳͲ݉Ǥ ‫ݏ‬ିଶ :‫ﺎﻨﻲ‬k‫اﻟ‬ ic_a‫اﻟ‬ ) 04 j‫ﻨﻘﺎ‬ ( ‫ﺫﺍﺗﻴﺘﻬﺎ‬ ‫ﻭﺷﻴﻌﺔ‬ ، ‫ﺍﻟﺘﻼﻣﻴﺬ‬ ‫ﻣﻦ‬ ‫ﻣﺠﻤﻮﻋﺔ‬ ‫ﺇﻟﻰ‬ ‫ﺍﻟﻔﻴﺰﻳﺎء‬ ‫ﺃﺳﺘﺎﺫ‬ ‫ﻗﺪﻡ‬ L ‫ﺍﻟﺪﺍﺧﻠﻴﺔ‬ ‫ﻭﻣﻘﺎﻭﻣﺘﻬﺎ‬ r ‫ﻣﻘﺎﻭﻣﺘﻪ‬ ‫ﺃﻭﻣﻲ‬ ‫ﻭﻧﺎﻗﻞ‬ R ‫ﻭﻣﻜﺜﻔﺔ‬ ‫ﺳﻌﺘﻬﺎ‬ C . ‫ﺍﻟﻮﺷﻴﻌﺔ‬ ‫ﺫﺍﺗﻴﺔ‬ ‫ﺇﻳﺠﺎﺩ‬ ‫ﻣﻨﻬﻢ‬ ‫ﻭﻁﻠﺐ‬ L ‫ﻭﺍﻟﻤﻘﺎﻭﻣﺔ‬ r . .‫ﺍﻟﺘﺎﻟﻴﺘﻴﻦ‬ ‫ﺍﻟﺘﺠﺮﺑﺘﻴﻦ‬ ‫ﻓﺄﻧﺠﺰﻭﺍ‬ :‫ﺍﻷﻭﻟﻰ‬ ‫ﺍﻟﺘﺠﺮﺑﺔ‬ ‫ﺑﺎﻟﺸﻜﻞ‬ ‫ﺍﻟﻤﻤﺜﻠﺔ‬ ‫ﺍﻟﺘﺠﺮﻳﺒﻴﺔ‬ ‫ﺍﻟﺘﺮﻛﻴﺒﺔ‬ ‫ﺍﻟﺘﻼﻣﻴﺬ‬ ‫ﺃﻧﺠﺰ‬ - 5 ‫ﺍﻟﻌﻨﺎﺻﺮ‬ ‫ﻣﻦ‬ ‫ﻭﺍﻟﻤﻜﻮﻧﺔ‬ : ‫ﺍﻟﺘﺎﻟﻴﺔ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ x ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻤﺤﺮﻛﺔ‬ ‫ﻗﻮﺗﻪ‬ ‫ﺍﻟﺜﺎﺑﺖ‬ ‫ﻟﻠﺘﻮﺗﺮ‬ ‫ﻣﻮﻟﺪ‬ 6 E V . x ‫ﻭﺷﻴﻌﺔ‬

3. L ,r . x ‫ﻣﻘﺎﻭ‬ ‫ﺃﻭﻣﻲ‬ ‫ﻧﺎﻗﻞ‬ ‫ﻣﺘﻪ‬ 50 R : . x ‫ﻭﻗﺎﻁﻌﺔ‬ K . ‫ﻣﻨﺤﻨﻰ‬ ‫ﻋﻠﻰ‬ ‫ﺍﻟﺤﺼﻮﻝ‬ ‫ﻣﻦ‬ ‫ﺗﻤﻜﻨﻮﺍ‬ ‫ﻣﻨﺎﺳﺒﺔ‬ ‫ﻣﻌﻠﻮﻣﺎﺗﻴﺔ‬ ‫ﻋﺪﺓ‬ ‫ﺑﻮﺍﺳﻄﺔ‬ ‫ﺍﻟﺸﻜﻞ‬ - 6 ‫ﺑﺪﻻﻟﺔ‬ ‫ﺍﻟﺪﺍﺭﺓ‬ ‫ﻓﻲ‬ ‫ﺍﻟﻤﺎﺭ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺷﺪﺓ‬ ‫ﻟﺘﻐﻴﺮﺍﺕ‬ ‫ﺍﻟﻤﻤﺜﻞ‬ ‫ﺍﻟﺰﻣﻦ‬

4. i f t . 1 - ‫ﺗﺤﻘﻘﻬ‬ ‫ﺍﻟﺘﻲ‬ ‫ﺍﻟﺘﻔﺎﺿﻠﻴﺔ‬ ‫ﺍﻟﻤﻌﺎﺩﻟﺔ‬ ‫ﺟﺪ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺷﺪﺓ‬ ‫ﺎ‬

5. i t . 2 - : ‫ﻫﻮ‬ ‫ﺍﻟﺴﺎﺑﻘﺔ‬ ‫ﺍﻟﺘﻔﺎﺿﻠﻴﺔ‬ ‫ﺍﻟﻤﻌﺎﻟﺔ‬ ‫ﺣﻞ‬ ‫ﺃﻥ‬ ‫ﺑﻴﻦ‬ 0 1 t i ( t ) I e W § · ¨ ¸ ¨ ¸ © ¹ : ‫ﺣﻴﺚ‬ 0 I ‫ﻭ‬ ‫ﺍﻟﻌﻈﻤﻰ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺷﺪﺓ‬ W . ‫ﺍﻟﺰﻣﻦ‬ ‫ﺛﺎﺑﺖ‬ 3 - : ‫ﺍﻟﺒﻴﺎﻥ‬ ‫ﻋﻠﻰ‬ ‫ﺑﺎﻻﻋﺘﻤﺎﺩ‬ x ‫ﻗﻴﻤﺔ‬ ‫ﺣﺪﺩ‬ 0 I ‫ﻗﻴﻤﺔ‬ ‫ﻭﺍﺳﺘﻨﺘﺞ‬ r . x ‫ﻗﻴﻤﺔ‬ ‫ﻋﻴﻦ‬ W . x ‫ﺃﺳﺘﻨﺘﺞ‬ L . :‫ﺍﻟﺜﺎﻧﻴﺔ‬ ‫ﺍﻟﺘﺠﺮﺑﺔ‬ ‫ﺳﻌﺘﻬﺎ‬ ‫ﻣﻜﺜﻔﺔ‬ ‫ﺑﺸﺤﻦ‬ ‫ﻗﺎﻣﻮﺍ‬ ‫ﺍﻷﻭﻟﻰ‬ ‫ﺍﻟﺘﺠﺮﺑﺔ‬ ‫ﻣﻦ‬ ‫ﺍﻻﻧﺘﻬﺎء‬ ‫ﺑﻌﺪ‬ 10 C F P ‫ﺍﻟﻮﺷﻴﻌﺔ‬ ‫ﻓﻲ‬ ‫ﺗﻔﺮﻳﻐﻬﺎ‬ ‫ﺛﻢ‬ ‫ﺍﻟﺴﺎﺑﻖ‬ ‫ﺍﻟﻤﻮﻟﺪ‬ ‫ﺑﻮﺍﺳﻄﺔ‬ ‫ﻛﻠﻴﺎ‬ ‫ﺍﻟﺴﺎﺑﻘﺔ‬

6. L ,r ‫)ﺍﻟﺸﻜﻞ‬ ‫ﺍﻟﺒﻴﺎﻥ‬ ‫ﺍﻟﻤﻬﺒﻄﻲ‬ ‫ﺍﻻﻫﺘﺰﺍﺯ‬ ‫ﺭﺍﺳﻢ‬ ‫ﻓﺄﻅﻬﺮ‬ ، - 7 ( ‫ﺍﻟﻤﻜﺜﻔﺔ‬ ‫ﻁﺮﻓﻲ‬ ‫ﺑﻴﻦ‬ ‫ﺍﻟﺘﻮﺗﺮ‬ ‫ﻟﺘﻐﻴﺮ‬ ‫ﺍﻟﻤﻤﺜﻞ‬

7. C u t ‫ﺍﻟﺰﻣﻦ‬ ‫ﺑﺪﻻﻟﺔ‬ . K R

8. L ,r o E ‫ا‬ t(ms) i(mA) 6-‫ﺍﻟﺸﻜﻞ‬ 0 10 20 e n c y - e d u c a t i o n . c o m / e x a m s ‫ﺃ‬ ‫ﺏ‬ ‫ﺟـ‬ - :‫ﺎﻨﻲ‬k‫اﻟ‬ ic_a‫اﻟ‬ ‫ﺎﻨﻲ‬k‫اﻟ‬ ic_a‫ﻟ‬ ) ‫ﻣﺠ‬ ‫ﺇﻟﻰ‬ ‫ﺍﻟﻔﻴﺰﻳﺎء‬ ‫ﺃﺳﺘﺎﺫ‬ ‫ﻗﺪﻡ‬ ‫ﺇﻟ‬ ‫ﺍﻟﻔﻴﺰﻳﺎء‬ ‫ﺳﺘﺎﺫ‬ ‫ﻬﺎ‬ C . ‫ﺍﻟﻮﺷﻴﻌﺔ‬ ‫ﺫﺍﺗﻴﺔ‬ ‫ﺇﻳﺠﺎﺩ‬ ‫ﻨﻬﻢ‬ ‫ﺍﻟﻮﺷﻴﻌﺔ‬ ‫ﺫﺍﺗﻴﺔ‬ ‫ﻳﺠﺎﺩ‬ :‫ﻭﻟﻰ‬ ‫ﺍﻟﻤﻤﺜﻠﺔ‬ ‫ﺍﻟﺘﺠﺮﻳﺒﻴﺔ‬ ‫ﺘﺮﻛﻴﺒﺔ‬ ‫ﺍﻟﻤ‬ ‫ﺍﻟﺘﺠﺮﻳﺒﻴﺔ‬ ‫ﺒﺔ‬ ‫ﺍﻟﻜﻬﺮ‬ ‫ﺍﻟﻤﺤﺮﻛﺔ‬ ‫ﻗﻮﺗﻪ‬ ‫ﺑﺖ‬ ‫ﺍ‬ ‫ﺍﻟﻤﺤﺮﻛﺔ‬ ‫ﺗﻪ‬ R R . ‫ﻣﻨﺤﻨﻰ‬ ‫ﻋﻠﻰ‬ ‫ﺼﻮﻝ‬ ‫ﻣﻨﺤﻨﻰ‬ ‫ﻋﻠﻰ‬ ‫ﻝ‬ ‫ﺑﺪﻻﻟﺔ‬ ‫ﺍﻟﺪﺍﺭﺓ‬ ‫ﻓﻲ‬ ‫ﻤﺎﺭ‬ ‫ﺑﺪﻻﻟﺔ‬ ‫ﺍﻟﺪﺍﺭﺓ‬ ‫ﺮﺑﺎﺋﻲ‬

10. i t i t ‫ﺍﻟﻮﺷﻴﻌﺔ‬ ‫ﻲ‬ ‫ﺷﻴﻌﺔ‬ d u c a t d d d d d d d d d d d d d u d u d u d u d u d u u u u c u c u c u c u c u c u c c c a c a c a c a c a c a u c u c u c u c u c c c a c a c a c a c a c a c a c a a t a t a t a t a t a t a t a t t t t t t d u c d u d u d u d u d u d u d u u c ( ( t(m u c c d u u c 3as.ency-education.com

11. (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫اﻟﺸﻌﺒﺔ‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ 2019 ‫ﺻﻔﺤﺔ‬ 3 ‫ﻣﻦ‬ 9 1 - . ‫ﺍﻟﻤﻮﺍﻓﻘﺔ‬ ‫ﺍﻟﺪﺍﺭﺓ‬ ‫ﻣﺨﻄﻂ‬ ‫ﺃﺭﺳﻢ‬ 2 - .‫ﺍﻻﻫﺘﺰﺍﺯ‬ ‫ﺗﺨﺎﻣﺪ‬ ‫ﺳﺒﺐ‬ ‫ﻋﻠﻞ‬ 3 - ‫ﺍﻟﺪﻭﺭ‬ ‫ﺷﺒﻪ‬ ‫ﻗﻴﻤﺔ‬ ‫ﺑﻴﺎﻧﻴﺎ‬ ‫ﻋﻴﻦ‬ T ، ‫ﺍﻟﺬﺍﺗ‬ ‫ﻗﻴﻤﺔ‬ ‫ﻭﺍﺳﺘﻨﺘﺞ‬ ‫ﻴﺔ‬ L ‫ﻟﻠﻮﺷﻴﻌﺔ‬ ‫ﺍﻟﺬﺍﺗﻲ‬ ‫ﺍﻟﺪﻭﺭ‬ ‫ﺑﺎﻋﺘﺒﺎﺭ‬ ‫ﺍﻟﺴﺎﺑﻘﺔ‬ 0 T ‫ﺍﻟﺪﻭﺭ‬ ‫ﺷﺒﻪ‬ ‫ﻳﺴﺎﻭﻱ‬ ‫ﺍﻟﻤﻬﺘﺰﺓ‬ ‫ﻟﻠﺠﻤﻠﺔ‬ T ‫ﻧﺄﺧﺬ‬

12. 2 10 S . 4 - ‫ﻓﻲ‬ ‫ﺍﻟﺪﺍﺭﺓ‬ ‫ﻓﻲ‬ ‫ﺍﻟﻤﺨﺰﻧﺔ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻧﻮﻉ‬ ‫ﻣﺎ‬ ‫ﺍﻟﻠﺤﻈﺔ‬ 25 t ms ‫ﻋﻠﻞ‬ ‫؟‬ . :m‫ﺎﻟ‬k‫اﻟ‬ ic_a‫اﻟ‬ ) 04 ‫ﻨ‬ j‫ﻘﺎ‬ ( ‫ﺍﻟﺒﻠﻮﺗﻮﻧﻴﻮﻡ‬ ‫ﻳﻮﺟﺪ‬ ‫ﻻ‬ ܲ‫ݑ‬ ଽସ ଶସଵ ‫ﺍﻟﻴﻮﺭﺍﻧﻴﻮﻡ‬ ‫ﻧﻮﺍﺓ‬ ‫ﻗﺬﻑ‬ ‫ﻳﺘﻢ‬ ‫ﺃﻧﻮﻳﺘﻪ‬ ‫ﻣﻦ‬ ‫ّﻨﺔ‬‫ﻴ‬‫ﻋ‬ ‫ﻋﻠﻰ‬ ‫ﻭﻟﻠﺤﺼﻮﻝ‬ ،‫ﺍﻟﻄﺒﻴﻌﺔ‬ ‫ﻓﻲ‬ ܷ ଽଶ ଶଷ଼ ‫ﻣﻔﺎﻋﻞ‬ ‫ﻓﻲ‬ ‫ﺑﻌﺪﺩ‬ ‫ﻧﻮﻭﻱ‬ x :‫ﻣﻌﺎﺩﻟﺘﻪ‬ ‫ﺑﺘﻔﺎﻋﻞ‬ ‫ﺍﻟﻨﻮﻭﻱ‬ ‫ﻝ‬ ّ‫ﺍﻟﺘﺤﻮ‬ ‫ﻫﺬﺍ‬ ‫ﻧﻤﺬﺟﺔ‬ ‫ﻳﻤﻜﻦ‬ ‫ﺣﻴﺚ‬ .‫ﺍﻟﻨﻴﺘﺮﻭﻧﺎﺕ‬ ‫ﻣﻦ‬ ܷ ൅ ‫ݔ‬ ݊ ՜ ܲ‫ݑ‬ ൅ ‫ݕ‬ ݁ ିଵ ଴ ଽସ ଶସଵ ଴ ଵ ଽଶ ଶଷ଼ . 1 - ‫ﺃ‬ - ‫ﻗﻴﻤﺘﻲ‬ ‫ﻋﻴﻦ‬ ‫ﺍﻻﻧﺤﻔﺎﻅ‬ ‫ﻗﺎﻧﻮﻧﻲ‬ ‫ﺑﺘﻄﺒﻴﻖ‬ x ‫ﻭ‬ y . ‫ﺃ‬ - ‫ﺍﻟﺒﻠﻮﺗﻮﻧﻴﻮﻡ‬ ‫ﻧﻮﺍﺓ‬ ‫ﺗﺼﺪﺭ‬ ܲ‫ݑ‬ ଽସ ଶସଵ ‫ﺟﺴﻴﻤﺎﺕ‬ ‫ﺗﻔﻜﻜﻬﺎ‬ ‫ﺃﺛﻨﺎء‬ - β ‫ﺍﻷﻣﺮﻳﻜﻴﻮﻡ‬ ‫ﻭﻧﻮﺍﺓ‬ ‫݉ܣ‬ ௓ ஺ . ‫ﺍﻟﻌﺪﺩﻳﻦ‬ ‫ﻗﻴﻤﺘﻲ‬ ‫ﻭﺣﺪﺩ‬ ‫ﻟﻠﺒﻠﻮﺗﻮﻧﻴﻮﻡ‬ ‫ﺍﻟﻨﻮﻭﻱ‬ ‫ﺍﻟﺘﻔﻜﻚ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺍﻛﺘﺐ‬ A ‫ﻭ‬ Z . ‫ﺏ‬ - ‫ﺑـ‬ ‫ﻣﻘﺪﺭﺓ‬ (‫)ﻧﻮﻳﺔ‬ ‫ﻧﻴﻮﻛﻠﻴﻮﻥ‬ ‫ﻟﻜﻞ‬ ‫ﺍﻟﺮﺑﻂ‬ ‫ﻁﺎﻗﺔ‬ ‫ﻗﻴﻤﺔ‬ ‫ﺍﺣﺴﺐ‬ MeV ‫ﻟﻨﻮﺍﺗﻲ‬ ܲ‫ݑ‬ ଽସ ଶସଵ ‫ﻭ‬ ‫݉ܣ‬ ௓ ஺ ‫ﺃﻳﻬﻤﺎ‬ ‫ﺍﺳﺘﻨﺘﺞ‬ ‫ﺛﻢ‬ .‫ﺍﺳﺘﻘﺮﺍﺭﺍ‬ ‫ﺃﻛﺜﺮ‬ 2 - ‫ﺍﻟﺒﻠﻮﺗﻮﻧﻴﻮﻡ‬ ‫ﻣﻦ‬ ‫ﻋﻴﻨﺔ‬ ‫ﺗﺤﺘﻮﻱ‬ 241 ‫ﺍﻟﻠﺤﻈﺔ‬ ‫ﻓﻲ‬ ‫ﺍﻟﻤﺸﻊ‬ t=0 ‫ﻋﻠﻰ‬ 0 N . ‫ﺍﻟﻨﺴﺒﺔ‬ ‫ﻋﻠﻰ‬ ‫ﺍﻟﺤﺼﻮﻝ‬ ‫ﺗﻢ‬ ‫ﻣﺨﺘﻠﻔﺔ‬ ‫ﺃﺯﻣﻨﺔ‬ ‫ﻓﻲ‬ ‫ّﻨﺔ‬‫ﻴ‬‫ﺍﻟﻌ‬ ‫ﻫﺬﻩ‬ ‫ﻧﺸﺎﻁ‬ ‫ﺑﺪﺭﺍﺳﺔ‬ ஺ሺ௧ሻ ஺బ ‫ﺣﻴﺚ‬ A(t) ‫ﺍﻟﻠﺤﻈﺔ‬ ‫ﻓﻲ‬ ‫ّﻨﺔ‬‫ﻴ‬‫ﺍﻟﻌ‬ ‫ﻧﺸﺎﻁ‬ t ‫ﻭ‬ 0 A ‫ﻧﺸﺎ‬ ‫ﺍﻟﻠﺤﻈﺔ‬ ‫ﻓﻲ‬ ‫ﻁﻬﺎ‬ t=0 :‫ﺍﻟﺘﺎﻟﻴﺔ‬ ‫ﺍﻟﻨﺘﺎﺋﺞ‬ ‫ﻋﻠﻰ‬ ‫ﻓﺤﺼﻠﻨﺎ‬ 12 9 6 3 0 t(ans) 0,53 0,62 0,73 0,85 1,00 ஺ሺ௧ሻ ஺బ ‫ﺃ‬ - :‫ﺍﻟﺒﻴﺎﻥ‬ ،‫ﻣﻴﻠﻴﻤﺘﺮﻳﺔ‬ ‫ﻭﺭﻗﺔ‬ ‫ﻋﻠﻰ‬ ‫ﺍﺭﺳﻢ‬ ݈݊ ஺ሺ௧ሻ ஺బ ൌ ݂ሺ‫ݐ‬ሻ . ‫ﺏ‬ - ‫ﺍﻟﻤﻘﺪﺍﺭ‬ ‫ﻋﺒﺎﺭﺓ‬ ‫ﺍﻛﺘﺐ‬ ݈݊ ஺ሺ௧ሻ ஺బ ‫ﺑﺪﻻﻟﺔ‬ λ ‫ﻭ‬ t . ‫ﺕ‬ - ‫ﺍﻟﺘﻔﻜﻚ‬ ‫ﺛﺎﺑﺖ‬ ‫ﻗﻴﻤﺔ‬ ‫ﺑﻴﺎﻧﻴﺎ‬ ‫ﻋﻴﻦ‬ λ ‫ﻭﺍﺳﺘﻨﺘﺞ‬ 1/2 t ‫ﺍﻟﺒﻠﻮﺗﻮﻧﻴﻮﻡ‬ ‫ﻋﻤﺮ‬ ‫ﻧﺼﻒ‬ ‫ﺯﻣﻦ‬ ‫ﻗﻴﻤﺔ‬ 241 . :‫ﺍﻟﻤﻌﻄﻴﺎﺕ‬ M(Am)=241,00457u ; m(p)=1,00728u ; m(n)=1,00866u m(Pu)=241,0051u 1u = 931,5 MeV/C2 7-‫ﺍﻟﺸﻜﻞ‬ larbi H'mida-Bac-2017 0 10 2

13. t ms

14. C u V e n c y - e d u c a t i o n . c o m / e x a m s 3 ‫ﻭﺍ‬ ‫ﺍﻟﺴﺎﺑﻘﺔ‬ ‫ﺍﻟﻤﻬ‬ ‫ﻟﻠﺠﻤﻠﺔ‬ ‫ﻟﻠﺠﻤﻠ‬ ‫ﻧﺄﺧﺬ‬ ‫ﻧﺄﺧﺬ‬

16. 2 10 10 S 4 ‫ﺍﻟﻤﺨﺰ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻧﻮﻉ‬ ‫ﻣﺎ‬ ‫ﺍﻟ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻧﻮﻉ‬ ‫ﻣﺎ‬ ‫ﻟﻠﺤﻈﺔ‬ ‫ﺔ‬ 25 25 t ms t ms 25 5 ‫ﻋ‬ ‫؟‬ j‫ﻘﺎ‬ j ( (j j j ‫ﻋ‬ ‫ﻭﻟﻠﺤﺼﻮﻝ‬ ،‫ﺍﻟﻄﺒﻴﻌﺔ‬ ‫ﻲ‬ ‫ﻭﻟﻠﺤﺼ‬ ،‫ﺒﻴﻌﺔ‬ ‫ﺍﻟﺘﺤﻮﻝ‬ ‫ﻫﺬﺍ‬ ‫ﻧﻤﺬﺟﺔ‬ ‫ﻳﻤﻜﻦ‬ ‫ﻫ‬ ‫ﻧﻤﺬﺟﺔ‬ ‫ﻤﺘﻲ‬ x x ‫ﻭ‬ y y . . ‫ﺟﺴﻴﻤﺎﺕ‬ ‫ﺗﻔﻜﻜﻬﺎ‬ ‫ء‬ ‫ﺟﺴﻴﻤﺎﺕ‬ ‫ﻜﻬﺎ‬ - β β ‫ﻭﻧﻮ‬ ‫ﻭﻧ‬ ‫ﺍﻟﻌﺪﺩﻳﻦ‬ ‫ﻗﻴﻤﺘﻲ‬ ‫ﺣﺪﺩ‬ ‫ﺍﻟﻌﺪﺩﻳﻦ‬ ‫ﻗﻴﻤﺘﻲ‬ A ‫ﺑـ‬ ‫ﻣﻘﺪﺭﺓ‬ ‫ﺑـ‬ ‫ﺭﺓ‬ Me MeV V ‫ﻟﻨﻮﺍﺗﻲ‬ ‫ﻟﻨ‬ ‫ﻋﻠﻰ‬ 0 N N0 . ‫ﺴﺒﺔ‬ ஺ ஺ሺ ሺ௧ሻ ஺బ u ‫ﺣﻴﺚ‬ ‫ﺣﻴﺚ‬ A(t) A(t) ‫ﻧﺸ‬ t(ans) t(ans) e e e y e ஺ሺ௧ሻ ஺ y y y c y c c 3as.ency-education.com

17. (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫اﻟﺸﻌﺒﺔ‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ 2019 ‫ﺻﻔﺤﺔ‬ 2 ‫ﻣﻦ‬ 9 1 . :‫ﺎﻨﻲ‬k‫اﻟ‬ ‫ء‬ fg‫اﻟ‬ ) 06 j‫ﻨﻘﺎ‬ ( :‫ﻲ‬nicga‫اﻟ‬ ic_a‫اﻟ‬ ) 06 j‫ﻨﻘﺎ‬ ( - ‫ﺑﻴﻦ‬ ‫ﺍﻟﺤﺎﺩﺙ‬ ‫ﺍﻟﺘﺤﻮﻝ‬ ‫ﺗﻄﻮﺭ‬ ‫ﺩﺍﺭﺳﺔ‬ ‫ﻧﺮﻳﺪ‬ ‫ﻛﺮﺑﻮﻛﺴﻴﻠﻲ‬ ‫ﺣﻤﺾ‬ ) A ( ‫ﻛﺤﻮﻝ‬ ‫ﻣﻊ‬ ) B ( ‫ﻋﻨﻪ‬ ‫ﻳﻨﺘﺞ‬ ‫ﺍﻟﺬﻱ‬ ‫ﺍﻟﻤ‬ ‫ﺍﻳﺜﺎﻧﻮﺍﺕ‬ ‫ﺜﻴﻞ‬ 3 COOCH 3 CH .‫ﻭﺍﻟﻤﺎء‬ 1 - ‫ﺍﻟﻤﺜﻴﻞ؟‬ ‫ﻻﻳﺜﺎﻧﻮﺍﺕ‬ ‫ﺍﻟﻤﻤﻴﺰﺓ‬ ‫ﺍﻟﻮﻅﻴﻔﻴﺔ‬ ‫ﺍﻟﻤﺠﻤﻮﻋﺔ‬ ‫ﻫﻲ‬ ‫ﻣﺎ‬ 2 - ‫ﻣﻦ‬ ‫ﻟﻜﻞ‬ ‫ﺍﻟﻤﻔﺼﻠﺔ‬ ‫ﻧﺼﻒ‬ ‫ﺍﻟﺼﻴﻐﺔ‬ ‫ﺍﺳﺘﻨﺘﺞ‬ A ‫ﻭ‬ B ‫ﻣﻨﻬﻤﺎ؟‬ ‫ﻛﻞ‬ ‫ﺍﺳﻢ‬ ‫ﻭﺃﺫﻛﺮ‬ 3 - .‫ﺍﻟﺘﺤﻮﻝ‬ ‫ﻟﻬﺬﺍ‬ ‫ﺍﻟﻤﻨﻤﺬﺝ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺃﻛﺘﺐ‬ 4 - ‫ﻫﺬ‬ ‫ﻳﺴﻤﻰ‬ ‫ﻛﻴﻒ‬ .‫ﺧﺼﺎﺋﺼﻪ‬ ‫ﺃﺫﻛﺮ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ؟‬ ‫ﺍ‬ 5 - ‫ﺩﻭﺭﻕ‬ ‫ﻓﻲ‬ ‫ﻧﻤﺰﺝ‬ mol 1 )= A ( 0 n ‫ﻭ‬ mol 1 )= B ( 0 n ‫ﺣﺮﺍﺭﺗﻪ‬ ‫ﺩﺭﺟﺔ‬ ‫ﻣﺎﺋﻲ‬ ‫ﺣﻤﺎﻡ‬ ‫ﻓﻲ‬ ‫ﻧﻀﻌﻪ‬ ‫ﻭ‬ ‫ﺑﺈﺣﻜﺎﻡ‬ ‫ﺍﻟﺪﻭﺭﻕ‬ ‫ﻧﺴﺪ‬ ‫ﺍﻟﺰﻣﻦ‬ ‫ﺧﻼﻝ‬ ‫ﺍﻟﻤﺘﺒﻘﻲ‬ ‫ﺍﻟﺤﻤﺾ‬ ‫ﻣﺎﺩﺓ‬ ‫ﻭﻛﻤﻴﺔ‬ ‫ﺍﻟﻤﺘﺸﻜﻞ‬ ‫ﺍﻷﺳﺘﺮ‬ ‫ﻣﺎﺩﺓ‬ ‫ﻛﻤﻴﺔ‬ ‫ﺗﻐﻴﺮﺍﺕ‬ ‫ﻣﻨﺎﺳﺒﺔ‬ ‫ﺑﻄﺮﻳﻘﺔ‬ ‫ﻭﻧﺘﺎﺑﻊ‬ ،‫ﺛﺎﺑﺘﺔ‬ ‫ﺑﺎﻟﺸﻜﻞ‬ ‫ﺍﻟﻤﻤﺜﻠﻴﻦ‬ ‫ﺍﻟﻤﻨﺤﻨﻴﻴﻦ‬ ‫ﻋﻠﻰ‬ ‫ﻓﻨﺤﺼﻞ‬ – 01 ‫ﺃ‬ - .‫ﺍﻟﺤﺎﺩﺙ‬ ‫ﻟﻠﺘﻔﺎﻋﻞ‬ ‫ﺍﻟﺘﻘﺪﻡ‬ ‫ﺟﺪﻭﻝ‬ ‫ﺃﻧﺸﺊ‬ ‫ﺏ‬ - ‫ﺗﻐ‬ ‫ﺍﻟﻰ‬ ‫ﺑﻴﺎﻧﻲ‬ ‫ﻣﻨﺤﻨﻰ‬ ‫ﻛﻞ‬ ‫ﺃﻧﺴﺐ‬ ‫ﻴ‬ ‫ﺮﺍﺕ‬ .‫ﺍﻟﺘﻌﻠﻴﻞ‬ ‫ﻣﻊ‬ ‫ﺍﻟﻤﻮﺍﻓﻘﺔ‬ ‫ﺍﻟﻤﺎﺩﺓ‬ ‫ﻛﻤﻴﺔ‬ ‫ﺟـ‬ - ‫ﺍﻟﻨﻬﺎﺋﻲ‬ ‫ﺍﻟﺘﻘﺪﻡ‬ ‫ﻗﻴﻤﺔ‬ ‫ﻋﻴﻦ‬ f x . ‫ﺩ‬ - .‫ﻟﺘﺤﺴﻴﻨﻪ‬ ‫ﻁﺮﻳﻘﺔ‬ ‫ﺍﻗﺘﺮﺡ‬ ،‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻣﺮﺩﻭﺩ‬ ‫ﺃﺣﺴﺐ‬ ‫ﻫـ‬ - ‫ﺍﻟﻠﺤﻈﺔ‬ ‫ﻋﻨﺪ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﺳﺮﻋﺔ‬ ‫ﺃﺣﺴﺐ‬ t=0 . ‫ﻭ‬ - ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻧﺼﻒ‬ ‫ﺯﻣﻦ‬ ‫ﻗﻴﻤﺔ‬ ‫ﻋﻴﻦ‬ ‫ﺛﻢ‬ ‫ﻋﺮﻑ‬ ‫ݐ‬ଵȀଶ . II - ‫ﻣﺤﻠﻮﻻ‬ ‫ﻧﺤﻀﺮ‬ A S ‫ﺍﻟﺴﺎﺑﻖ‬ ‫ﺍﻟﺤﻤﺾ‬ ‫ﻣﻦ‬ ‫ﺍﻧﻄﻼﻗﺎ‬ ) A ( ‫ﺍﻟﻤﻮﻟﻲ‬ ‫ﺗﺮﻛﻴﺰﻩ‬ A c ‫ﻭﺣﺠﻤﻪ‬ V . - .‫ﺍﻟﻤﺎء‬ ‫ﻓﻲ‬ ‫ﺍﻟﺤﻤﺾ‬ ‫ﺍﻧﺤﻼﻝ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺃﻛﺘﺐ‬ 1 - ‫ﺍﻟﺘﺮﻛﻴﺰ‬ ‫ﻟﺘﻌﻴﻴﻦ‬ A c ‫ﺣﺠﻤﺎ‬ ‫ﻧﺄﺧﺬ‬ mL 10 = A V ‫ﺍﻟﻤﺤﻠﻮﻝ‬ ‫ﻣﻦ‬ ) A S ( ‫ﺍﻟﺼﻮﺩﻳﻮﻡ‬ ‫ﻟﻬﻴﺪﺭﻭﻛﺴﻴﺪ‬ ‫ﺑﻤﺤﻠﻮﻝ‬ ‫ﻭﻧﻌﺎﻳﺮﻩ‬ ، ) - OH + + Na ( ‫ﺍﻟﻤﻮﻟﻲ‬ ‫ﺗﺮﻛﻴﺰﻩ‬ 2 2 10 / C mol L b u ‫ﺣﺠﻢ‬ ‫ﺇﺿﺎﻓﺔ‬ ‫ﻭﻋﻨﺪ‬ ، mL 5 , 2 = B V ‫ﺍﻟـ‬ ‫ﺟﻬﺎﺯ‬ ‫ﺃﻋﻄﻰ‬ pH ‫ﺍﻟﻘﻴﻤﺔ‬ ‫ﻣﺘﺮ‬ 8 , 4 = pH . ‫ﺃ‬ - .‫ﺍﻟﺤﺎﺩﺙ‬ ‫ﺍﻟﻤﻌﺎﻳﺮﺓ‬ ‫ﺗﻔﺎﻋﻞ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺃﻛﺘﺐ‬ ‫ﺏ‬ - ‫ﺍﻟﺘﻜﺎﻓﺆ‬ ‫ﻋﻨﺪ‬ ‫ﺍﻟﻤﻀﺎﻑ‬ ‫ﺍﻟﺤﺠﻢ‬ ‫ﺍﺳﺘﻨﺘﺞ‬ BE V ‫ﺃﺣﺴﺐ‬ ‫ﺛﻢ‬ ، A c . ‫ﺟـ‬ - ‫ﺍﻟﺜﻨﺎﺋﻴﺔ‬ ‫ﻓﻲ‬ ‫ﺍﻟﻜﻴﻤﻴﺎﺋﻲ‬ ‫ﻟﻠﻨﻮﻉ‬ ‫ﺍﻟﻐﺎﻟﺒﺔ‬ ‫ﺍﻟﺼﻔﺔ‬ ‫ﺣﺪﺩ‬ ) - 3 COO 3 CH3 COOH / CH ( ‫ﺍﻟـ‬ ‫ﺃﺟﻞ‬ ‫ﻣﻦ‬ 8 , 4 = pH . . pKa (CH3 COOH / CH3 COO - )=4,8 :‫ﺍﻟﻤﻌﻄﻴﺎﺕ‬ ‫اﻷوﻝ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ ‫ﻬﻰ‬a‫اﻨ‬ e n c y - e d u c A cA ‫ﻭﺣﺠﻤﻪ‬ ‫ﺣﺠﻤ‬ V V . . ‫ﺍﻟﺼﻮﺩﻳﻮﻡ‬ ‫ﻟﻬﻴﺪﺭﻭﻛﺴﻴﺪ‬ ‫ﻝ‬ ‫ﺍﻟﺼ‬ ‫ﻴﺪﺭﻭﻛﺴﻴﺪ‬ ‫ﺍﻟـ‬ ‫ﺟﻬﺎﺯ‬ ‫ﺍﻟ‬ ‫ﺯ‬ pH pH i o n . c o m / e x a m s ic_a‫اﻟ‬ a‫اﻟ‬ - - ‫ﺩﺍﺭﺳﺔ‬ ‫ﻧﺮﻳﺪ‬ ‫ﺩﺍﺭ‬ ‫ﻧﺮﻳﺪ‬ 3 3 OCH H3 3 1 - ‫ﺍ‬ ‫ﺍﻟﻤﺠﻤﻮﻋﺔ‬ ‫ﻫﻲ‬ ‫ﻣﺎ‬ ‫ﺍﻟﻤﺠﻤ‬ ‫ﻫﻲ‬ ‫ﻣﺎ‬ ‫ﺍﻟ‬ ‫ﻧﺼﻒ‬ ‫ﺍﻟﺼﻴﻐﺔ‬ ‫ﺳﺘﻨﺘﺞ‬ ‫ﻧﺼ‬ ‫ﺍﻟﺼﻴﻐﺔ‬ ‫ﺞ‬ ‫ﺍﻟﻤﻨﻤﺬﺝ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺍﻟﻤﻨﻤﺬﺝ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﺩﻟﺔ‬ ‫ﻫﺬ‬ ‫ﻰ‬ ‫ﺧﺼ‬ ‫ﺃﺫﻛﺮ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ؟‬ ‫ﺍ‬ ‫ﺃﺫ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ؟‬ mol 1 1 )= )= A A (A 0 0 n n ‫ﻭ‬ ‫ﻭ‬ ol ‫ﻣﺎﺩ‬ ‫ﻛﻤﻴﺔ‬ ‫ﺗﻐﻴﺮﺍﺕ‬ ‫ﻨﺎﺳﺒﺔ‬ ‫ﻛﻤ‬ ‫ﺗﻐﻴﺮﺍﺕ‬ ‫ﺔ‬ ‫ﺑﺎﻟﺸﻜﻞ‬ ‫ﻤﺜﻠﻴﻦ‬ ‫ﺑﺎﻟﺸﻜﻞ‬ – – 01 1 .‫ﺩﺙ‬ ‫ﺍﻟﻘﻴﻤﺔ‬ ‫ﻣﺘﺮ‬ ‫ﺘﺮ‬ pH . 3as.ency-education.com

18. (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫اﻟﺸﻌﺒﺔ‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ 2019 ‫ﺻﻔﺤﺔ‬ 5 ‫ﻣﻦ‬ 9 ‫ﺎﻨﻲ‬k‫اﻟ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ ‫ﻋﻠﻰ‬ ‫ﺎﻨﻲ‬k‫اﻟ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ $^ad ) 05 ( ‫ﺎت‬d‫ﺼﻔ‬ ) ‫ﺔ‬d‫ﻔ‬e‫اﻟ‬ ‫ﻤ‬ 5 ‫ﻤ‬ 9 ‫ﺔ‬d‫ﻔ‬e‫اﻟ‬ ‫إﻟﻰ‬ 9 ‫ﻤ‬ 9 ( :‫اﻷوﻝ‬ ‫ء‬ fg‫اﻟ‬ ) 14 ‫ﺔ‬h‫ﻨﻘ‬ ( :‫اﻷوﻝ‬ ic_a‫اﻟ‬ ) 06 j‫ﻨﻘﺎ‬ ( ‫اﻷﺠ‬ i‫ﻤ‬ ‫ﻋﺔ‬jkl‫ﻤ‬ ‫ﻋﻠﻰ‬ ‫ﺔ‬mj‫ﺎﻨ‬n‫اﻟ‬ ohp‫ﻤ‬ qjrst ‫ﺔ‬g‫وﻋﺎﻟ‬ ‫ﺔ‬n‫ﻴ‬u‫ﺤ‬ ‫ة‬ v‫أﺠﻬ‬‫و‬ ، ‫اﺌﻲ‬j‫اﻟﻬ‬ uwx‫ﻟﻠ‬ igr‫ﺎوﻟ‬y‫و‬ z{‫ا‬jx‫اﻟ‬‫و‬ ، ‫ﺔ‬h‫اﻟ|ﻠ‬ ‫}ﺎم‬ o‫اﻫ‬j~‫اﻟ‬ ‫ر‬j‫ﺘ‬ ‫ﻓﻲ‬ ‫ﺔ‬g‫ﺎﺌ‬xnr‫اﺴ‬ ‫ﺔ‬m‫رؤ‬ ‫ن‬j€‫ﻠ‬kt i‫اﻟﻴ‬، ‫ﻩ‬g‫ﺘﻼﻤ‬ ‫ﻤﻊ‬ igr‚ol‫ﺘ‬ ‫ﺎز‬l‫اﻨ‬ ‫ة‬ o€‫ﻓ‬ ‫ﺎذ‬r‫اﻷﺴ‬ ‫أس‬ ‫ر‬ ‫ﻓﻲ‬ ƒ‫ﺎﻟ‬l‫ﻓ‬... ‫ﺎ‬g‫ﺠ‬j‫ﻟ‬jx€r‫اﻟ‬ . ‫ﺔ‬g„g‫„ﺎﻨ‬gk‫اﻟ‬ ‫اﻷوﻟﻰ‬ ‫ﺔ‬ocga‫اﻟ‬ : ‫~ﺔ‬s‫اﻟﻠ‬ ux‫ﻋ‬ ، ‫ﺴﻞ‬o‫ﻨ‬ 0 t ‫ﺎ‬h‫ﺼﻠ‬ ‫ﺎ‬k}‫ﺠ‬ ،

19. 1 S ‫ﻪ‬r‫ﻠ‬r† 1 m ‫ﻪ‬r‫ﻋﺎﻟ‬ v†o‫وﻤ‬ G ‫ﺔ‬g‫اﺌ‬ur‫اﺒ‬ ‫ﻋﺔ‬ o}{ 0 Q0 Q ˆ‫ﻘ‬x‫اﻟ‬ i‫ﻤ‬، O ‫ﻤﺎﺌﻞ‬ qjr}‫ﻤ‬ ‫ﻋﻠﻰ‬ ‫€ﺎك‬r‫اﺤ‬ ‫ن‬‫و‬u‫ﺒ‬ Š‫ﻟ‬vxg‫ﻓ‬ ، ‫ﺔ‬m‫او‬ v‫{ﺎﻟ‬ D ‫اﻟ‹„ﻞ‬ ) ‫اﻷﻓﻘﻲ‬ qjr}k‫ﻟﻠ‬ ‫ﺔ‬h}x‫{ﺎﻟ‬ - 1 . ( o‫ﺤ‬ ‫اﺴﺔ‬ ‫ر‬u‫ﻟ‬ ‫†ﺔ‬ G ‫ﺎ‬k‫ﻤﻌﻠ‬ ‫ﺎر‬rp‫ﻨ‬

20. O ,i

21. i .‫اﻷرض‬ ‫{}ﺢ‬ ˆh‫ﺘ‬o‫ﻤ‬ 1 - . ‫~ﺎم‬r‫{ﺎﻨ‬ ‫Œﺔ‬y‫ﺎ‬hr‫ﻤ‬ }l‫اﻟ‬ ‫†ﺔ‬o‫ﺤ‬ ‫أن‬ ig‫ﺒ‬ 2 - }l‫اﻟ‬ ‫ﻋﺔ‬ o‫ﺴ‬ ‫ة‬ ‫ر‬‫ﺎ‬h‫ﻋ‬ ‫إﻟﻰ‬ ‫ﺼﻞ‬jr‫اﻟ‬ i‫ﻤ‬ g‫ﻼﻤ‬r‫اﻟ‬ ‫ﺒﻬﺎ‬ ‫ﻗﺎم‬ ‫ﻲ‬r‫اﻟ‬ ‫ﺔ‬ghmolr‫اﻟ‬ ‫اﺴﺔ‬ ‫ر‬u‫اﻟ‬ ƒx„‫ﻤ‬

22. 1 S : Žg‫ﺤ‬

24. 5 4 t .t m / s Q . i‫ﻤ‬ ‫†ﻞ‬ ‫ﺔ‬kg‫ﻗ‬ u‫ﺠ‬ 0 Q ‫و‬ a ‫ﺜ‬ ‫ﺔ‬kg‫ﻗ‬ }‫اﺤ‬ D . : ‫ــــــــــــــﻰ‬h‫ ﻌ‬ 2 10 g m / s . ‫ﺎﻨ]ﺔ‬k‫اﻟ‬ ‫ﺔ‬ocga‫اﻟ‬ : ‫اﻟ|ﻠ‬ }l‫اﻟ‬ ƒhn‫ﻨ‬

25. 1 S ‫ﻠﺔ‬r€‫اﻟ‬ q‫ذ‬ Š‫اﻟ}ﺎﺒ‬ 1 0 2 m , Kg ‫ف‬o{ ƒ‫وﺜﺎﺒ‬ ‫ﻠﺔ‬k‫ﻤﻬ‬ ‫ﻪ‬r‫ﻠ‬r†‫و‬ ‫ﻼﺼﻘﺔ‬r‫ﻤ‬ og‫ﻏ‬ ‫ﻟﻔﺎﺘﻪ‬ z{‫ﻨﺎ‬ ‫ﻪ‬r‫وﻨ‬o‫ﻤ‬ K . Š‫ﻟ‬vx‫ﻴ‬ Žg‫ﺤ‬ ‫ة‬ vr‫ﻤﻬ‬ ‫ﻠﺔ‬k‫ﺠ‬ ‫ﻋﻠﻰ‬ ‫|ﻞ‬s‫ﻨ‬

26. 1 S ‫ﻋﻠﻰ‬ ‫€ﺎك‬r‫اﺤ‬ ‫ن‬‫و‬u‫ﺒ‬ ‫اﻟ‹„ﻞ‬ ) ‫اﻷﻓﻘﻲ‬ ‘jr}k‫اﻟ‬ - 2 . ( ‫وﻓﺎﺼﻠ‬ ‫اﺤﺔ‬ o‫اﻟ‬ ‫وﻀﻊ‬ ‫ﻓﻲ‬ z{‫ﺎ‬x‫اﻟ‬ ‫ن‬j„t ‫ن‬‫از‬jr‫اﻟ‬ ux‫ﻋ‬ ‫ﺔ‬ v†o‫ﻤ‬ ‫اﻟﻌﺎﻟﺔ‬ G ‫ﻌﻠ‬k‫اﻟ‬ ‫ﻓﻲ‬

27. O ,i

28. i ‫ﻫﻲ‬ 0 0 x ‫ﺢ‬mv‫ﻨ‬ .

29. 1 S ‫ﺎ‬g‫أﻓﻘ‬ ‫}ﺎﻓﺔ‬k‫{ﺎﻟ‬ ‫ﺠ‬jk‫اﻟ‬ ‫ﺎﻩ‬l‫اﻻﺘ‬ ‫ﻓﻲ‬ ‫ﻨﻪ‬‫ز‬‫ا‬j‫ﺘ‬ ‫ﻀﻊ‬j‫ﻤ‬ i‫ﻋ‬ m X ‫~ﺔ‬s‫اﻟﻠ‬ ux‫ﻋ‬ ‫ﺔ‬g‫اﺌ‬ur‫اﺒ‬ ‫ﻋﺔ‬ o‫ﺴ‬ ‫ن‬‫و‬u‫ﺒ‬ ‫ﻩ‬ ‫ر‬os‫ﻨ‬ ‫ﺜ‬ 0 t . 1 - ‫اﻟﻔﺎﺼﻠﺔ‬ ‫ﻘﻘﻬﺎ‬s‫ﺘ‬ ‫ﻲ‬r‫اﻟ‬ ‫ﺔ‬g‫ﻔﺎﻀﻠ‬r‫اﻟ‬ ‫ﻌﺎدﻟﺔ‬k‫اﻟ‬ ‫أن‬ ig‫ﺒ‬ x ‫اﻟﻌﺎﻟﺔ‬ v†ok‫ﻟ‬ G : r€‫ﺘ‬ 2 2 1 0 d x K .x m dt 2 - ) ‫ﻲ‬xsxk‫اﻟ‬ ‫رﺴ‬ i‫ﻤ‬ g‫ﻼﻤ‬r‫اﻟ‬ i„k‫ﺘ‬ ‫ﺎﺴ‬x‫ﻤ‬ vg‫ﻬ‬l‫ﺘ‬ ‫اﺴﺔ‬j‫ﺒ‬ 1 (

30. x f t ‫اﻟ‹„ﻞ‬ ‫ﻓﻲ‬ - 3 ‫اﻟﻔﺎﺼﻞ‬ og‫ﺘﻐ‬ ‫ﻞ‬nkt q‫اﻟ‬ 1 x . i‫ﻤ‬v‫اﻟ‬ ‫ﻻﻟﺔ‬u‫ﺒ‬ G D O i i

31. 1 S ‫ا‬

32. 1 S G o i i ‫ا‬ e n c y - e d u c a t i o n . c o m / e x a m s ‫اﻷ‬ ‫ء‬ fg‫اﻟ‬ ‫ء‬ fg‫اﻟ‬ :‫اﻷوﻝ‬ ic_a‫اﻟ‬ ‫اﻷو‬ ic_a‫اﻟ‬ ‫ﻋﻠ‬ ‫ﺔ‬mj‫ﺎﻨ‬n‫اﻟ‬ ohp‫ﻤ‬ mj‫ﺎﻨ‬n‫اﻟ‬ ohp‫ﻤ‬ qjrs q ‫أس‬ ‫ر‬ ‫ﻓﻲ‬ ƒ‫ﺎﻟ‬l‫ﻓ‬... ‫ﺎ‬g‫ﺠ‬j‫ﻟ‬ ‫ﻓﻲ‬ ƒ‫ﺎﻟ‬l‫ﻓ‬... ‫ﺎ‬ t ‫ﺎ‬h‫ﺼﻠ‬ ‫ﺎ‬k}‫ﺠ‬ ، h‫ﺼﻠ‬ ‫ﺎ‬k}‫ﺠ‬ ،

33. 1 S ˆ O r‫اﺤ‬ ‫ن‬‫و‬u‫ﺒ‬ Š‫ﻟ‬vxg‫ﻓ‬ ، ‫و‬u‫ﺒ‬ Š‫ﻟ‬vxg‫ﻓ‬ ، ‫ن‬ ‫اﻟ‹„ﻞ‬ ) ‫ﻲ‬ ‫ﻟ‹„ﻞ‬ - 1 1 . ( . .‫اﻷرض‬ ‫{}ﺢ‬ ˆh‫ﺘ‬o‫ﻤ‬ ‫اﻷرض‬ ‫{}ﺢ‬ ˆ . ‫م‬ ‫ﻋ‬ ‫إﻟﻰ‬ ‫ﺼﻞ‬jr‫اﻟ‬ i‫ﻤ‬ g‫ﻼﻤ‬ ‫إﻟﻰ‬ ‫ﺼﻞ‬jr‫اﻟ‬ i r‫ﻠ‬r†‫و‬ ‫ﻼﺼﻘﺔ‬r‫ﻤ‬ og‫ﻏ‬ ‫ﺘﻪ‬ ‫و‬ ‫ﻼﺼﻘﺔ‬r‫ﻤ‬ o n c y n c y n c y n n n y c y c y c y c y c y c y c y c y c c n c n c c c n c n c c c n c n c c n c n c y y y y y y y y y y y y y y y c y c y c y c y c y c y c y c y n S n c n c 3as.ency-education.com

34. (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫اﻟﺸﻌﺒﺔ‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ 2019 ‫ﺻﻔﺤﺔ‬ 6 ‫ﻣﻦ‬ 9 }l‫اﻟ‬ ‫ض‬j‫ﻨﻌ‬

35. 1 S o‫أﺨ‬ }l{

36. 2 S ‫ﻪ‬r‫ﻠ‬r† 2 m Žg‫ﺤ‬ ‫ﻟﺔ‬j‫ﻬ‬l‫ﻤ‬ 2 1 m m ! . ‫وف‬o~‫اﻟ‬ ’‫ﻨﻔ‬ ‫ﻓﻲ‬ ‫‚ﺔ‬olr‫اﻟ‬ ug‫وﻨﻌ‬ ) ‫ﻰ‬xsxk‫اﻟ‬ ‫ﻞ‬nkt 2 ‫اﻟ‹„ﻞ‬ ‫ﻓﻲ‬ ( - 3 ‫اﻟﻔﺎﺼﻠﺔ‬ ˆp‫ﻤ‬ 2 x . i‫ﻤ‬v‫اﻟ‬ ‫ﻻﻟﺔ‬u‫ﺒ‬ ‫أ‬ - iggxsxk‫اﻟ‬ i‫ﻤ‬ ‫اﻨﻼﻗﺎ‬ ig‫ﻋ‬ ) 1 ) ‫و‬ ( 2 im‫ر‬‫و‬u‫اﻟ‬ ( 01 T }l‫{ﺎﻟ‬ ‫ﺎص‬p‫اﻟ‬ )

37. 1 S ‫و‬ ( 02 T }l‫{ﺎﻟ‬ ‫ﺎص‬p‫اﻟ‬ )

38. 2 S ‫و‬ . ‫ور‬u‫اﻟ‬ ‫ﻋﻠﻰ‬ ‫ﻠﺔ‬r€‫اﻟ‬ og‫ﺘﺄﺜ‬ ‫ﺞ‬rxr‫اﺴ‬ ‫ب‬ - ‫ﻠﺔ‬r€‫اﻟ‬ ‫ة‬ ‫ر‬‫ﺎ‬h‫ﻋ‬ ‫أن‬ ig‫ﺒ‬ 2 m : ‫اﻟﻌﻼﻗﺔ‬ Š‫ﻘ‬s‫ﺘ‬ 2 02 2 1 01 T m m T § · ¨ ¸ © ¹ ‫ﺔ‬kg‫ﻗ‬ }‫اﺤ‬ . 2 m . ‫ت‬ - : ‫ﻫﻲ‬ z{‫ﺎ‬x‫اﻟ‬ ‫وﻨﺔ‬o‫ﻤ‬ ƒ‫ﺜﺎﺒ‬ ‫ﺔ‬kg‫ﻗ‬ ‫أن‬ Š‫ﻘ‬s‫ﺘ‬ 2 12 5 K , N .m ‫)ﻨﺄﺨ‬ 2 10 S .( ‫ث‬ - }l‫اﻟ‬ ‫ﻋﻠﻰ‬ z{‫ﺎ‬x‫اﻟ‬ ‫ف‬oy i‫ﻤ‬ ‫ﻘﺔ‬hk‫اﻟ‬ ‫ة‬j‫اﻟﻘ‬ ‫ﻞ‬k‫ﻋ‬ ‫ة‬ ‫ر‬‫ﺎ‬h‫ﻋ‬ u‫ﺠ‬

39. 1 S igr~s‫اﻟﻠ‬ ig‫ﺒ‬ 0 0 t ‫و‬ 1 1 t s :‫ﺎﻨﻲ‬k‫اﻟ‬ ic_a‫اﻟ‬ ) 04 j‫ﻨﻘﺎ‬ ( І - :‫ﺍﻟﻴﻮﺭﺍﻧﻴﻮﻡ‬ ‫ﺍﻧﺸﻄﺎﺭ‬ ‫ﺍﻟﻴﻮﺭﺍﻧﻴﻮﻡ‬ ‫ﻧﻈﻴﺮ‬ ‫ﺘﻌﻤﻞ‬ُ‫ﺴ‬‫ﻳ‬ ‫ﺍﻟﻨﻮﻭﻳﺔ‬ ‫ﺍﻟﻤﻔﺎﻋﻼﺕ‬ ‫ﻓﻲ‬ 235 ‫ﻳﺘﻢ‬ ‫ﺣﻴﺚ‬ ‫؛‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻹﻧﺘﺎﺝ‬ ‫ﻧﻮﻭﻱ‬ ‫ﻛﻮﻗﻮﺩ‬ ‫ﺃﺳﺎﺳﺎ‬ ‫ﻟﻠﻴﻮﺭﺍﻧﻴﻮﻡ‬ ‫؛‬ ‫ﺑﺎﻟﻨﻴﺘﺮﻭﻧﺎﺕ‬ ‫ﺍﻟﻴﻮﺭﺍﻧﻴﻮﻡ‬ ‫ﺃﻧﻮﻳﺔ‬ ‫ﻗﺬﻑ‬ ‫ﺗﺤﺪﺙ‬ ‫ﺃﻥ‬ ‫ﻳﻤﻜﻦ‬ ‫ﺍﻟﺘﻲ‬ ‫ﺍﻟﻨﻮﻭﻳﺔ‬ ‫ﺍﻟﺘﺤﻮﻻﺕ‬ ‫ﺑﻴﻦ‬ ‫ﻣﻦ‬ ‫؛‬ ‫ﻧﻮﻭﻳﺔ‬ ‫ﺗﺤﻮﻻﺕ‬ ‫ﻋﺪﺓ‬ ‫ﺗﺤﺪﺙ‬ ‫ﺃﻥ‬ ‫ﻳﻤﻜﻦ‬ ) ‫ﺑﺎﻟﻤﻌﺎﺩﻟﺔ‬ ‫ﺍﻟﻤﻌﻄﻰ‬ ‫ﺍﻟﺘﺤﻮﻝ‬ 1 . ( ܷ ଽଶ ଶଷହ + ݊ ଴ ଵ → ܼ‫ݎ‬ ସ଴ ଽହ + ܶ݁ ହଶ ଵଷ଼ + 3 ݊ ଴ ଵ ...... (1) 1 - ‫ﺍﻟﻨﻮﻭﻱ‬ ‫ﺍﻟﺘﺤﻮﻝ‬ ‫ﻧﻮﻉ‬ ‫ﻣﺎ‬ ) 1 ( ‫ﺍﻟﻄﺎ‬ ‫ﺷﻜﻞ‬ ‫ﻫﻮ‬ ‫ﻭﻣﺎ‬ ‫؟‬ ‫؟‬ ‫ﺍﻟﺘﺤﻮﻝ‬ ‫ﻫﺬﺍ‬ ‫ﻣﻦ‬ ‫ﺍﻟﻤﺘﺤﺮﺭﺓ‬ ‫ﻗﺔ‬ 2 - ‫ﺍﻟﻴﻮﺭﺍﻧﻴﻮﻡ‬ ‫ﻣﻦ‬ ‫ﻭﺍﺣﺪﺓ‬ ‫ﻧﻮﺍﺓ‬ ‫ﺗﺤﻮﻝ‬ ‫ﻣﻦ‬ ‫ﺍﻟﻤﺤﺮﺭﺓ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﺃﺣﺴﺐ‬ 235 )‫ﺑﺎﻟـ‬ MeV ( ‫ﺑـ‬ ‫ﺛﻢ‬ ) jouls ( . 3 - ‫ﻛﺘﻠﺔ‬ ‫ﺗﺤﻮﻝ‬ ‫ﻣﻦ‬ ‫ﺍﻟﻤﺤﺮﺭﺓ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﺃﺳﺘﻨﺘﺞ‬ m = 87g ‫ﺍﻟﻴﻮﺭﺍﻧﻴﻮﻡ‬ ‫ﻣﻦ‬ 235 .

40. 1 x m

41. t s

42. 2 x m

43. t s ‫ـ‬ 1-‫ﺍﻟﻤﻨﺤﻨﻰ‬ 0 0,4 0,02 2-‫ﺍﻟﻤﻨﺤﻨﻰ‬ 0 0,4 0,02 e n c y - e d u c a t i o n . c o m / e x a m s ‫ﻞ‬nkt ‫أ‬ - ‫و‬ ‫و‬ ‫ﺞ‬rxr‫اﺴ‬‫و‬ ‫و‬ ‫ب‬ ‫ب‬ - ‫ة‬ ‫ر‬‫ﺎ‬h‫ﻋ‬ ‫أن‬ ig‫ﺒ‬ ‫أن‬ ig‫ﺒ‬ o‫ﻤ‬ ƒ‫ﺜﺎﺒ‬ ‫ﺔ‬kg‫ﻗ‬ ‫أن‬ Š‫ﻘ‬s‫ﺘ‬ ƒ‫ﺜﺎﺒ‬ ‫ﺔ‬kg‫ﻗ‬ ‫أن‬ Š ‫ﻘﺔ‬hk‫اﻟ‬ ‫ة‬j‫اﻟﻘ‬ ‫ﻞ‬k‫ﻋ‬ ‫ة‬ ‫ر‬‫ﺎ‬h‫ﻋ‬ k‫اﻟ‬ ‫ة‬j‫اﻟﻘ‬ ‫ﻞ‬k‫ﻋ‬ ‫ة‬ ‫ر‬ ‫ﺍﻟﻜﻬﺮ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻹﻧﺘﺎﺝ‬ ‫ﻭﻱ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻹﻧﺘﺎﺝ‬ ‫ﻳﻤﻜ‬ ‫ﺍﻟﺘﻲ‬ ‫ﺍﻟﻨﻮﻭﻳﺔ‬ ‫ﺤﻮﻻﺕ‬ ‫ﺍﻟﺘﻲ‬ ‫ﺍﻟﻨﻮﻭﻳﺔ‬ ‫ﺕ‬ c a t i o

44. s o n . c o m /

45. a c a t i c c c c c c c c a c a c a c a c a c a c a t c a t a t a t a t i a t i a t i a t i i i i t i t i t i t i t i t i t i a t i a t i a t a t a t a t a t c a t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i t i i i i i i i i i i i i i i i i i i i i i i i i i i i n . c o c o m . c c c c o c o c o c o c o c o c o o o m o m o m o m o m o m o m m m m m m m m m m m m m . c c n c n c n n n n n c c c c c c o c o c o c o c o c o c o c o o o m o m o m o m o m o m m m m m n c n . n . n . n n n n n n n n n n c . c n . 0 c c 2 c o o o o o o o o o o o o o o o o o o o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c o c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m 3as.ency-education.com

46. ‫ا‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫ﻟﺸﻌﺒﺔ‬ 2019 ‫ﺻﻔﺤﺔ‬ 7 ‫ﻣﻦ‬ 9 ІІ - :‫ﺍﻟﻨﻮﻭﻱ‬ ‫ﺍﻟﺨﻄﺮ‬ ‫ﻣﺸ‬ ‫ﺗﻜﻮﻥ‬ ‫ﺍﻟﻨﻮﻭﻱ‬ ‫ﺍﻻﻧﺸﻄﺎﺭ‬ ‫ﻋﻦ‬ ‫ﺍﻟﻨﺎﺗﺠﺔ‬ ‫ﺍﻷﻧﻮﻳﺔ‬ ‫ﺇﻥ‬ ‫ﺍﻷﺧﻀﺮ‬ ‫ﻋﻠﻰ‬ ‫ﺧﻄﺮﺍ‬ ‫ﺗﺸﻜﻞ‬ ‫ﻳﺠﻌﻠﻬﺎ‬ ‫ﻣﻤﺎ‬ ‫ﻛﺒﻴﺮ‬ ‫ﻋﻤﺮ‬ ‫ﻧﺼﻒ‬ ‫ﺯﻣﻦ‬ ‫ﻭﻟﻬﺎ‬ ‫ﻌﺔ‬ ‫ﺳﻨﺔ‬ ‫ﺑﺎﻟﻴﺎﺑﺎﻥ‬ ‫ﺍﻟﻄﺎﻗﺔ‬ ‫ﻟﺘﻮﻟﻴﺪ‬ ‫ﻧﻮﻭﻳﺔ‬ ‫ﻣﻔﺎﻋﻼﺕ‬ ‫)ﺍﻧﻔﺠﺎﺭ‬ ‫ﻓﻮﻛﻮﺷﻴﻤﺎ‬ ‫ﻛﺎﺭﺛﺔ‬ ‫ﺣﺪﻭﺙ‬ ‫ﺑﻌﺪ‬ ‫؛‬ ‫ﻭﺍﻟﻴﺎﺑﺲ‬ 2011 ‫ﺍﻟﺴﻴﺰﻳﻮﻡ‬ ‫ﺗﺤﺮﺭ‬ (‫ﻡ‬ 134 ‫ﻭ‬ 137 ‫ﺍﻟﺴﻴﺰﻳﻮﻡ‬ ‫ﺃﻧﻮﻳﺔ‬ ‫ﺇﻥ‬ . ‫ܵܥ‬ ହହ ଵଷସ ‫ﻭﺗﺸﻊ‬ ‫ﻣﺸﻌﺔ‬ ‫־‬ β . 1 - ‫ﺍﻟﺴﻴﺰﻳﻮﻡ‬ ‫ﻧﻮﺍﺓ‬ ‫ﺗﺮﻛﻴﺐ‬ ‫ﺃﻋﻂ‬/ ‫ﺃ‬ 34 1 . .‫ﺍﻟﺒﻨﺖ‬ ‫ﺍﻟﻨﻮﺍﺓ‬ ‫ﺭﻣﺰ‬ ‫ﺍﺳﺘﻨﺘﺞ‬ ‫ﺛﻢ‬ .‫ﺍﻟﻤﺴﺘﻌﻤﻠﺔ‬ ‫ﺍﻟﻘﻮﺍﻧﻴﻦ‬ ‫ﻭﺑﻴﻦ‬ ‫ﺍﻟﺘﻔﻜﻚ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺃﻛﺘﺐ‬/‫ﺏ‬ 2 - ‫ﺍﻟﻌﻤﺮ‬ ‫ﻧﺼﻒ‬ ‫ﺯﻣﻦ‬ ‫ﻟﻤﻌﺮﻓﺔ‬ 2 / 1 t ‫ﻟﻠﺴﻴﺰﻳﻮﻡ‬ 134 ) ‫ﺍﻟﻤﺸﻌﺔ‬ ‫ﺍﻷﻧﻮﻳﺔ‬ ‫ﻋﺪﺩ‬ ‫ﻣﻦ‬ ‫ﻛﻞ‬ ‫ﻧﺤﺴﺐ‬ 0 N ( ‫ﺍﻟﻠﺤﻈﺔ‬ ‫ﻓﻲ‬ ) t = 0 ( ‫ﺍﻟﻤﺘﺒﻘﻴﺔ‬ ‫ﺍﻟﻤﺸﻌﺔ‬ ‫ﺍﻷﻧﻮﻳﺔ‬ ‫ﻋﺪﺩ‬ ‫ﻭ‬ N(t) ‫ﺍﻟﻨﺴﺒﺔ‬ ‫ﻧﺤﺴﺐ‬ ‫ﺛﻢ‬ ، ‫ﻣﺨﺘﻠﻔﺔ‬ ‫ﻟﺤﻈﺎﺕ‬ ‫ﻓﻲ‬ ୒ሺ୲ሻ ேబ ‫ﺍﻟﺒﻴﺎﻧﻲ‬ ‫ﺍﻟﻤﻨﺤﻨﻰ‬ ‫ﻭﻧﺮﺳﻢ‬ Ln ୒ሺ୲ሻ ேబ = f(t) .‫ﺍﻟﺘﺎﻟﻴﻴﻦ‬ ‫ﺍﻟﺒﻴﺎﻧﻴﻦ‬ ‫ﺃﺣﺪ‬ ‫ﻋﻠﻰ‬ ‫ﻓﻨﺤﺼﻞ‬ ‫ﺃ‬ - . ‫ﺍﻟﺘﻌﻠﻴﻞ‬ ‫ﻣﻊ‬ ‫ﺍﻟﻤﻮﺍﻓﻖ‬ ‫ﺍﻟﺒﻴﺎﻥ‬ ‫ﻋﻴﻦ‬ ‫ﺏ‬ - ‫ﻗﻴﻤﺔ‬ ‫ﺃﺣﺴﺐ‬ 2 / 1 t ‫ﻗﻴﻤﺔ‬ ‫ﺍﺳﺘﻨﺘﺞ‬ ‫ﺛﻢ‬ λ ‫ﺑـ‬ ‫ﺫﻟﻚ‬ ‫ﻣﻘﺪﺭﺍ‬ ‫ﺍﻹﺷﻌﺎﻋﻲ‬ ‫ﺍﻟﻨﺸﺎﻁ‬ ‫ﺛﺎﺑﺖ‬ 1 - ans ‫ﻳﻌﻄﻰ‬ . ln2 = 0.7 3 - ‫ﺗﺴ‬ ‫ﺍﻟﺬﻱ‬ ‫ﺍﻟﺨﻄﺮ‬ ‫ﻳﺰﻭﻝ‬ ‫ﺍﻟﺴﻴﺰﻳﻮﻡ‬ ‫ﺃﻧﻮﻳﺔ‬ ‫ﻋﻦ‬ ‫ﺍﻟﻨﺎﺗﺠﺔ‬ ‫ﺍﻹﺷﻌﺎﻋﺎﺕ‬ ‫ﺒﺒﻪ‬ 134 ‫ﻋﻨﺪﻣﺎ‬ ‫ﻓﻮﻛﻮﺷﻴﻤﺎ‬ ‫ﻣﻔﺎﻋﻼﺕ‬ ‫ﺍﻧﻔﺠﺎﺭ‬ ‫ﻋﻦ‬ ‫ﺍﻟﻨﺎﺗﺠﺔ‬ % ‫ﺑﻨﺴﺒﺔ‬ ‫ﺗﺘﻔﻜﻚ‬ 90 ‫ﺍﻟﺴﻴﺰﻳﻮﻡ‬ ‫ﺃﻧﻮﻳﺔ‬ ‫ﻋﻦ‬ ‫ﺍﻟﻨﺎﺗﺠﺔ‬ ‫ﺍﻹﺷﻌﺎﻋﺎﺕ‬ ‫ﺗﺴﺒﺒﻪ‬ ‫ﺍﻟﺬﻱ‬ ‫ﺍﻟﺨﻄﺮ‬ ‫ﻳﺰﻭﻝ‬ ‫ﺳﻨﺔ‬ ‫ﺃﻱ‬ ‫ﻓﻲ‬ ‫ﺍﺳﺘﻨﺘﺞ‬ . 134 ‫؟‬ : ‫ﻣﻌﻄﻴﺎﺕ‬ m(138 Te) = 137,90067u ، m(95 Zr)= 94,88604u ، m(235 U) 234,99333 u NA = 6.02 . 1023 mol-1 ، 1 MeV = 1.6 . 10-13 Jouls ، m(n) = 1.00866 1u = 931.5 MeV/c2 ، c = 3 . 10-8 m/s ، 1 u = 1.66 . 10-27 kg 54Xe 55CS 56Ba Ln ‫ۼ‬ሺ‫ܜ‬ሻ ࡺ૙ Ln ‫ۼ‬ሺ‫ܜ‬ሻ ࡺ૙ e n c y - e d u c a t i o n . c o m / e x a m s ‫ﺇﻥ‬ ‫ﻭﺍﻟﻴﺎﺑﺲ‬ ‫ﻭ‬ ‫ﻭ‬ ‫ﻭ‬ 137 37 ‫ﺇ‬ . 1 1 - ‫ﺗﺮﻛﻴ‬ ‫ﺃﻋﻂ‬/ ‫ﺃ‬ ‫ﺃﻋﻂ‬/ ‫ﺃ‬ ‫ﺍﻟﺘﻔﻜ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺃﻛﺘﺐ‬/‫ﺏ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺃﻛﺘﺐ‬/‫ﺏ‬ ‫ﺍﻟﻌ‬ ‫ﻧﺼﻒ‬ ‫ﺯﻣﻦ‬ ‫ﻟﻤﻌﺮﻓﺔ‬ ‫ﻧﺼ‬ ‫ﺯﻣﻦ‬ ‫ﺮﻓﺔ‬ ‫ﺍﻟﻤﺘﺒﻘﻴﺔ‬ ‫ﺍﻟﻤﺸﻌﺔ‬ ‫ﻷﻧﻮﻳﺔ‬ ‫ﺍﻟﻤﺘﺒﻘ‬ ‫ﺍﻟﻤﺸﻌﺔ‬ ‫ﺔ‬ (t) t) ‫ﺍﻟﺒﻴﺎﻧﻲ‬ ‫ﻰ‬ ‫ﻴﺎﻧﻲ‬ ‫ﺍﻟﺒﻴﺎﻧﻴﻦ‬ ‫ﺃﺣﺪ‬ ‫ﻋﻠﻰ‬ ‫ﺤﺼﻞ‬ ‫ﺍﻟ‬ ‫ﺃﺣﺪ‬ ‫ﻋﻠﻰ‬ ‫ﻞ‬ 1 - ans ‫ﻳﻌﻄﻰ‬ . ‫ﻳﻌﻄﻰ‬ . = 0.7 ‫ﻣﻔﺎﻋﻼﺕ‬ ‫ﺍﻧﻔﺠﺎﺭ‬ ‫ﻋﻦ‬ ‫ﺠﺔ‬ ‫ﻣﻔﺎ‬ ‫ﺍﻧﻔﺠﺎﺭ‬ ‫ﻦ‬ ‫ﺍﻟﺴﻴﺰﻳﻮﻡ‬ ‫ﺃﻧﻮﻳﺔ‬ ‫ﻋﻦ‬ ‫ﺍﻟﺴﻴﺰﻳﻮﻡ‬ ‫ﻮﻳﺔ‬ 34 m( m(138 138 Te) = Te N NA A = 6 c o m Ln ‫ۼ‬ ‫ۼ‬ ‫ۼ‬ሺ ሺ ሺ‫ܜ‬ ‫ܜ‬ ‫ܜ‬ሻ ሻ ૙ ૙ o m 3as.ency-education.com

47. (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫اﻟﺸﻌﺒﺔ‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ 2019 ‫ﺻﻔﺤﺔ‬ 6 ‫ﻣﻦ‬ 9 k‫اﻟ‬ ic_a‫اﻟ‬ :m‫ﺎﻟ‬ ) 04 j‫ﻨﻘﺎ‬ ( ‫ﺛﺎﺑﺖ‬ ‫ﺗﻮﺗﺮ‬ ‫ﺗﺤﺖ‬ ‫ﺗﻤﺎﻣﺎ‬ ‫ﻣﺸﺤﻮﻧﻨﺔ‬ ‫ﻣﻜﺜﻔﺔ‬ E =8V ‫ﺍﻟ‬ ‫ﻋﻠﻰ‬ ‫ﻣﻮﺻﻮﻟﺔ‬ ‫ﺘﺴﻠﺴ‬ ‫ﻞ‬ ‫ﻣﻘﺎ‬ ‫ﺃﻭﻣﻲ‬ ‫ﻧﺎﻗﻞ‬ ‫ﻣﻊ‬ ‫ﻭ‬ ‫ﻣﺘﻪ‬ R ‫ﺫﺍﺗﻴﺘ‬ ‫ﻭﻭﺷﻴﻌﺔ‬ ‫ﻣﺘﻐﻴﺮﺓ‬ ‫ﻬﺎ‬ H 0,10 = L ‫ﺍﻟﻤﺤﻈﺔ‬ ‫ﻓﻲ‬ .‫ﻣﻬﻤﻠﺔ‬ ‫ﻣﻘﺎﻭﻣﺘﻬﺎ‬ t=0 ‫ﺗﻤﻜﻨﺎ‬ ‫ﺁﻟﻲ‬ ‫ﺇﻋﻼﻡ‬ ‫ﺑﺠﻬﺎﺯ‬ ‫ﻣﻮﺻﻮﻝ‬ ‫ﻣﻨﺎﺳﺐ‬ ‫ﺗﺠﻬﻴﺰ‬ ‫ﻭﺑﺎﺳﺘﺨﺪﺍـﻢ‬ ‫ﺍﻟﻘﺎﻁﻌﺔ‬ ‫ﻧﻐﻠﻖ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺍﻟﺘﻮﺗﺮ‬ ‫ﺗﻄﻮﺭﺍﺕ‬ ‫ﻣﺘﺎﺑﻌﺔ‬ ‫ﻣﻦ‬ C u ‫ﻁﺮﻓﻲ‬ ‫ﺑﻴﻦ‬ ‫ﻟﻠﻤﻘﺎﻭﻣﺔ‬ ‫ﻣﺨﺘﻠﻔﺔ‬ ‫ﻗﻴـﻢ‬ ‫ﺃﺟﻞ‬ ‫ﻣﻦ‬ ،‫ﺍﻟﺰﻣﻦ‬ ‫ﺧﻼﻝ‬ ‫ﺍﻟﻤﻜﺜﻔﺔ‬ R ‫ﻓﺘﺤﺼ‬ ‫ﻋﻠﻰ‬ ‫ﻠﻨﺎ‬ ‫ﺍﻟﻮﺛﻴﻘﺔ‬ ‫ﻓﻲ‬ ‫ﺍﻟﻤﺒﻴﻨﺔ‬ ‫ﺍﻟﻤﻨﺤﻨﻴﺎﺕ‬ - 1 . 1 - .‫ﺃﻋﻼﻩ‬ ‫ﺍﻟﺠﺪﻭﻝ‬ ‫ﺃﻛﻤﻞ‬ 2 ‫ﺃ‬ -- .‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﺘﻮﺗﺮﺍﺕ‬ ‫ﻭﻣﺨﺘﻠﻒ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺟﻬﺔ‬ ‫ﻋﻠﻴﻪ‬ ‫ﻣﺒﻴﻨﺎ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻴﺔ‬ ‫ﺍﻟﺪﺍﺭﺓ‬ ‫ﻣﺨﻄﻂ‬ ‫ﺃﺭﺳـﻢ‬ ‫ب‬ - ‫ﺃﺟﻞ‬ ‫ﻣﻦ‬ R=0 ‫ﺍﻟ‬ ‫ﺍﻟﻤﻌﺎﺩﻟﺔ‬ ‫ﺟﺪ‬ ، ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﻟﻠﺘﻮﺗﺮ‬ ‫ﺘﻔﺎﺿﻠﻴﺔ‬ (t ) C u . ‫ج‬ - :‫ﺍﻟﺸﻜﻞ‬ ‫ﻣﻦ‬ ‫ﺣﻼ‬ ‫ﺗﻘﺒﻞ‬ ‫ﺍﻟﺴﺎﺑﻘﺔ‬ ‫ﺍﻟﺘﻔﺎﺿﻠﻴﺔ‬ ‫ﺍﻟﻤﻌﺎﺩﻟﺔ‬ ‫ﺃﻥ‬ ‫ﺑﻴﻦ‬ ) ߮ + t ߱଴ ( cos E = ) t ( C u ‫ﺣﻴﺚ‬ ߱଴ .‫ﺍﻟﺪﺍﺭﺓ‬ ‫ﻣﻤﻴﺰﺍﺕ‬ ‫ﺑﺪﻻﻟﺔ‬ ‫ﻋﺒﺎﺭﺗﻪ‬ ‫ﺗﺤﺪﻳﺪ‬ ‫ﻳﻄﻠﺐ‬ ‫ﺛﺎﺑﺖ‬ ‫د‬ - ‫ﺍﻟﺬﺍﺗﻲ‬ ‫ﺍﻟﺪﻭﺭ‬ ‫ﻋﺒﺎﺭﺓ‬ ‫ﺍﻛﺘﺐ‬ 0 T ‫ﺍﻟﻤﻜﺜﻔﺔ‬ ‫ﺳﻌﺔ‬ ‫ﻗﻴﻤﺔ‬ ‫ﻭﺍﺳﺘﻨﺘﺞ‬ C . 3 - ‫ﺍﻟﻌﺒﺎﺭ‬ ‫ﺟﺪ‬ .‫ﺍﻷﻋﻈﻤﻴﺔ‬ ‫ﻗﻴﻤﺘﻪ‬ ‫ﺍﺣﺴﺐ‬ ‫ﺛـﻢ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﻟﺸﺪﺓ‬ ‫ﺍﻟﺤﺮﻓﻴﺔ‬ ‫ﺓ‬ :‫ﺎﻨﻲ‬k‫اﻟ‬ ‫ء‬ fg‫اﻟ‬ ) 06 j‫ﻨﻘﺎ‬ ( :‫ﻲ‬nicga‫اﻟ‬ ic_a‫اﻟ‬ ) 06 j‫ﻨﻘﺎ‬ ( i . ‫ﺣﺮﺍﺭﺓ‬ ‫ﺩﺭﺟﺔ‬ ‫ﻋﻨﺪ‬ ‫ﺍﻟﻨﺤﺎﺱ‬ ‫ﻛﺒﺮﻳﺘﺎﺕ‬ ‫ﻣﺤﻠﻮﻝ‬ ‫ﺇﻟﻴﻬﺎ‬ ‫ﻭﻧﻀﻴﻒ‬ ‫ﺍﻟﺰﻧﻚ‬ ‫ﻣﺴﺤﻮﻕ‬ ‫ﻣﻦ‬ ‫ﻭﺍﻓﺮﺓ‬ ‫ﻛﻤﻴﺔ‬ ‫ﻛﺄﺱ‬ ‫ﻓﻲ‬ ‫ﻧﻀﻎ‬ ‫ﺗﺮﻛﻴﺰﻩ‬ ‫ﺍﻟﻨﺤﺎﺱ‬ ‫ﻛﺒﺮﻳﺘﺎﺕ‬ ‫ﺇﺭﺟﺎﻉ‬ ‫ﻓﻴﺘﻢ‬ ٚ ‫ﺍﻟﻜﻴﻤﻴﺎ‬ ‫ﺍﻟﻤﻌﺎﺩﻟﺔ‬ ‫ﻭﻓﻖ‬ :‫ﺍﻟﺘﺎﻟﻴﺔ‬ ‫ﺋﻴﺔ‬ 100 10 0 R(Ω) ‫ـ‬‫ﻟ‬ ‫ﻞ‬nkk‫اﻟ‬ ‫ﻰ‬xsxk‫اﻟ‬ ) t ( C u ‫ﻎ‬mo‫ﻔ‬r‫اﻟ‬ ‫ـ‬‫ﺎ‬~x‫ـ‬ ‫اﺴ‬ e n c y - e d u c a t i o n . c o m / e x a m s ‫ﻣ‬ H H 0,10 ‫ﺗ‬ ‫ﻣﺘﺎﺑﻌﺔ‬ ‫ﻣﻦ‬ ‫ﻣﺘﺎ‬ ‫ﻣﻦ‬ ‫ﺍﻟﻤﺒﻴ‬ ‫ﺍﻟﻤﻨﺤﻨﻴﺎﺕ‬ ‫ﺍﻟﻤﻨﺤﻨﻴﺎﺕ‬ ‫ﺍﻟﺘﻮﺗﺮﺍﺕ‬ ‫ﻭﻣﺨﺘﻠﻒ‬ ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺍﻟﺘﻮ‬ ‫ﻭﻣﺨﺘﻠﻒ‬ ‫ﺍﻟﻜﻬﺮﺑﺎﺋﻲ‬ ‫ﺮﺑﺎﺋﻲ‬ (t ) (t ) C C u u . t ߱ ߱଴ ( ( cos cos E E = ) t ( C ‫ﺍﻟﻨﺤﺎﺱ‬ ‫ﺮﻳﺘﺎﺕ‬ ‫ﺍﻟﻨﺤﺎﺱ‬ ‫ﺕ‬ 3as.ency-education.com

48. ‫ا‬ / ‫ﻓﻴﺰ(ﺋﻴﺔ‬ ‫ﻋﻠﻮم‬ :‫ﻣﺎدة‬ ‫ﰲ‬ ‫اﺧﺘﺒﺎر‬ (‫ﺑﻜﺎﻟﻮر‬ / ‫ر(ﺿﻲ‬ ‫ﺗﻘﲏ‬ ،‫ر(ﺿﻴﺎت‬ :‫ﻟﺸﻌﺒﺔ‬ 2019 ‫ﺻﻔﺤﺔ‬ 9 ‫ﻣﻦ‬ 9 1 - ‫ﺍﻟﻨﻮﻉ‬ ‫ﻭﺣﺪﺩ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻓﻲ‬ ‫ﺍﻟﺪﺍﺧﻠﺘﻴﻦ‬ ‫ﻣﺮﺟﻊ‬ ‫ﻣﺆﻛﺴﺪ‬ ‫ﺍﻟﺜﻨﺎﺋﻴﺘﻴﻦ‬ ‫ﺣﺪﺩ‬ .‫ﺍﻟﻤﺮﺟﻊ‬ ‫ﺩﻭﺭ‬ ‫ﻳﻠﻌﺐ‬ ‫ﻭﺍﻟﺬﻱ‬ ‫ﺍﻟﻤﺆﻛﺴﺪ‬ ‫ﺩﻭﺭ‬ ‫ﻳﻠﻌﺐ‬ ‫ﺍﻟﺬﻱ‬ 2 - ‫ﺍﻟﻨﺤﺎﺱ‬ ‫ﺷﻮﺍﺭﺩ‬ ‫ﺗﺮﻛﻴﺰ‬ ‫ﺗﻄﻮﺭ‬ ‫ﺍﻟﺒﻴﺎﻥ‬ ‫ﻓﻲ‬ ‫ﻧﻤﺜﻠﻪ‬ ‫ﺍﻟﺰﻣﻦ‬ ‫ﺧﻼﻝ‬ :‫ﺍﻟﺘﺎﻟﻲ‬ ‫ﺃ‬ - ‫ﺍﻟﺘﺮﻛﻴ‬ ‫ﺣﺪﺩ‬ ‫ﺰ‬ ‫ﺍﻟﻨﺤﺎﺱ‬ ‫ﻟﺸﻮﺍﺭﺩ‬ ‫ﻭﺍﻟﻨﻬﺎﺋﻲ‬ ‫ﺍﻹﺑﺘﺪﺍﺋﻲ‬ - ‫ﻭﺍﺳ‬ .‫ﺗﺎﻡ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻛﺎﻥ‬ ‫ﺇﺫﺍ‬ ‫ﻣﺎ‬ ‫ﺘﻨﺘﺞ‬ ‫ﺏ‬ - ‫ﺃ‬ .‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﺗﻘﺪﻡ‬ ‫ﺟﺪﻭﻝ‬ ‫ﻧﺸﺊ‬ ‫ﺝ‬ - ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻧﺼﻒ‬ ‫ﺣﺪﺩﺯﻣﻦ‬ . ‫ﺩ‬ - ‫ﻋﻨﺪ‬ ‫ﻗﻴﻤﺘﻬﺎ‬ ‫ﻭﺍﺣﺴﺐ‬ ،‫ﻟﻠﺘﻔﺎﻋﻞ‬ ‫ﺍﻟﺤﺠﻤﻴﺔ‬ ‫ﺍﻟﺴﺮﻋﺔ‬ ‫ﻋﺒﺎﺭﺓ‬ ‫ﺃﻋﻂ‬ ‫ﺍﻟﻠﺤﻈﺘﻴﻦ‬ ٚ ‫ﻭ‬ . ‫ﻩ‬ - ‫؟‬ ‫ﺍﻟﺘﺠﺮﺑﺔ‬ ‫ﻫﺬﻩ‬ ‫ﺧﻼﻝ‬ ‫ﺍﻟﻤﺒﺮﺯ‬ ‫ﺍﻟﺤﺮﻛﻲ‬ ‫ﺍﻟﻌﺎﻣﻞ‬ ‫ﻫﻮ‬ ‫ﻣﺎ‬ ‫ﻭ‬ - ‫ﺗ‬ ‫ﻋﻠﻞ‬ ‫ﻐ‬ .‫ﺍﻟﺤﺠﻤﻴﺔ‬ ‫ﺍﻟﺴﺮﻋﺔ‬ ‫ﻴﺮ‬ ii . ‫ﻧ‬ :‫ﺻﻔﻴﺤﺘﻴﻦ‬ ‫ﺑﺎﺳﺘﻌﻤﺎﻝ‬ ‫ﺩﺍﻧﻴﺎﻝ‬ ‫ﻋﻤﻮﺩ‬ ‫ﻨﺠﺰ‬ ‫ﺯﻧﻚ‬ ‫ﺻﻔﻴﺤﺔ‬ ‫ﺍﻟﺤﺠﻢ‬ ‫ﻓﻲ‬ ‫ﻣﻐﻤﻮﺭﺓ‬ ‫ﻣﺤﻠﻮﻝ‬ ‫ﻣﻦ‬ ‫ﺗﺮﻛﻴﺰﻩ‬ ‫ﻧﺤﺎﺱ‬ ‫ﻭﺻﻔﻴﺤﺔ‬ ‫ﺣﺠﻢ‬ ‫ﻓﻲ‬ ‫ﻣﻐﻤﻮﺭﺓ‬ ‫ﻣﺤﻠﻮﻝ‬ ‫ﻣﻦ‬ ‫ﺗﺮﻛﻴﺰﻩ‬ ‫ﻋﻠﻰ‬ ‫ﻳﺤﺘﻮﻱ‬ ‫ﻣﻠﺤﻲ‬ ‫ﺑﺠﺴﺮ‬ ‫ﻣﺮﺗﺒﻄﻴﻦ‬ ‫ﺍﻟﻤﺤﻠﻮﻟﻴﻦ‬ ‫ﺍﻟﺒﻮﺗﺎﺳﻴﻮﻡ‬ ‫ﻛﻠﻮﺭ‬ ‫ﻣﺤﻠﻮﻝ‬ . ‫ﺍﻟﺤﺎ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻣﻌﺎﺩﻟﺔ‬ ‫ﺻﻞ‬ : . ‫ﺍﻟﻌﻤﻮﺩ‬ ‫ﺩﺍﺧﻞ‬ ‫ﺍﻟﺤﺎﺻﻞ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﺗﻮﺍﺯﻥ‬ ‫ﺛﺎﺑﺖ‬ ‫ﻗﻴﻤﺔ‬ :‫ﻫﻲ‬ . 1 - .‫ﺟﻮﺍﺑﻚ‬ ‫ﻋﻠﻞ‬ ‫ﺍﻟﻌﻤﻮﺩ؟‬ ‫ﻟﻬﺬﺍ‬ ‫ﺍﻟﻤﻮﺟﺐ‬ ‫ﺍﻟﻘﻄﺐ‬ ‫ﺗﻜﻮﻥ‬ ‫ﺍﻟﺘﻲ‬ ‫ﺍﻟﺼﻔﻴﺤﺔ‬ ‫ﻣﺎ‬ 2 - ‫ﺍﺣﺴﺐ‬ .‫ﻟﻠﻌﻤﻮﺩ‬ ‫ﺍﻟﺘﻠﻘﺎﺋﻲ‬ ‫ﺍﻟﺘﻄﻮﺭ‬ ‫ﺟﻬﺔ‬ ‫ﻭﺍﺳﺘﻨﺘﺞ‬ ،‫ﺍﻹﺑﺘﺪﺍﺋﻲ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻛﺴﺮ‬ 3 - ‫ﺍﻟﺘﻴﺎﺭ‬ ‫ﺷﺪﺓ‬ ‫ﻭﻧﻘﻴﺲ‬ ‫ﺃﻭﻣﻴﺎ‬ ‫ﻧﺎﻗﻼ‬ ‫ﺩﺍﻧﻴﺎﻝ‬ ‫ﻋﻤﻮﺩ‬ ‫ﻣﺴﺮﻳﻲ‬ ‫ﺑﻴﻦ‬ ‫ﻧﺮﻛﺐ‬ ‫ﺧﻼﻝ‬ ‫ﻓﻴﻪ‬ ‫ﻳﻤﺮ‬ ‫ﺍﻟﺬﻱ‬ 3 :‫ﻓﻨﺠﺪ‬ ‫ﺳﺎﻋﺎﺕ‬ . ‫ﺃ‬ - ‫ﺍﻟﺸﻮﺍﺭﺩ‬ ‫ﻣﻦ‬ ‫ﻛﻞ‬ ‫ﺗﺮﻛﻴﺰ‬ ‫ﺣﺪﺩ‬ ‫ﺗﻤﺎﻡ‬ ‫ﺑﻌﺪ‬ 3 .‫ﺍﻟﻌﻤﻮﺩ‬ ‫ﺇﺷﺘﻐﺎﻝ‬ ‫ﻣﻦ‬ ‫ﺳﺎﻋﺎﺕ‬ ‫ﺏ‬ - ‫ﺍﻟﻤﺘﻜﻮﻥ؟‬ ‫ﺍﻟﻤﻌﺪﻥ‬ ‫ﻛﺘﻠﺔ‬ ‫ﻣﺎ‬ ‫ﻭﻣﺎ‬ . ‫؟‬ ‫ﺍﻟﻤﺴﺘﻬﻠﻚ‬ ‫ﺍﻟﻤﻌﺪﻥ‬ ‫ﻛﺘﻠﺔ‬ 0 ࢚ 5 ‫ܥ‬ ܵ ‫ܥ‬ ܽ ൅ ܼ ܽ ൅ ܼ ܼ ܵ ܼ ሾ࡯࢛૛ା ሿሺ࢓࢓࢕࢒Ȁ࢒ሻ 50 100 (min) ‫ﺎﻨﻲ‬k‫اﻟ‬ ‫ع‬ ^‫اﻟ_^ﻀ‬ ‫ﻬﻰ‬a‫اﻨ‬ ‫ـــﺎ‬i‫ـﺎﻟـ^ر‬rn‫اﻟ‬ ‫ﺸـﻬــــﺎدة‬ ‫ات‬ ‫ر‬‫ـﺎ‬n‫ـ‬a‫إﺨـ‬ ‫ﻓــﻲ‬ ‫ــﺎح‬gs‫اﻟـ‬‫و‬ v‫ـ^ﻓـ]ـ‬a‫ﺒـﺎﻟ‬ ‫ﺎ‬a‫أﺴ‬ ‫ﺴـ^ﻨـﺔ‬ :‫اﻟ_ـﺎدة‬ ‫ذ‬ ‫ة‬ f‫ﺤـ_ــ‬ e n c y - e d :‫ﻨﺠﺪ‬ ‫ﺠﺪ‬ . a t i o n . c o m / e x a m s 1 ‫ﻳ‬ ‫ﺍﻟﺬﻱ‬ ‫ﺍﻟﺬ‬ 2 2 - - ‫ﺗﺮ‬ ‫ﺗﻄﻮﺭ‬ ‫ﺗﻄﻮ‬ :‫ﺍﻟﺘﺎﻟﻲ‬ :‫ﺍﻟﺘﺎﻟﻲ‬ ‫ﺃ‬ ‫ﺃ‬ - ‫ﺍﻟﺘﺮﻛﻴ‬ ‫ﺣﺪﺩ‬ ‫ﺍﻟﺘﺮﻛﻴ‬ ‫ﺣﺪﺩ‬ ‫ﻴﺰ‬ ‫ﺍﻹ‬ ‫ﻭﺍﺳ‬ ‫ﺍﻟﺘﻔ‬ ‫ﻛﺎﻥ‬ ‫ﺇﺫﺍ‬ ‫ﻣﺎ‬ ‫ﺘﻨﺘﺞ‬ ‫ﻛﺎ‬ ‫ﺇﺫﺍ‬ ‫ﻣﺎ‬ ‫ﺳﺘﻨﺘﺞ‬ ‫ﺃ‬ ‫ﺍﻟﺘﻔﺎ‬ ‫ﺗﻘﺪﻡ‬ ‫ﺟﺪﻭﻝ‬ ‫ﻧﺸﺊ‬ ‫ﺗﻘﺪﻡ‬ ‫ﺟﺪﻭﻝ‬ ‫ﺸﺊ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻧﺼﻒ‬ ‫ﺯﻣﻦ‬ ‫ﺍﻟﺘﻔﺎﻋﻞ‬ ‫ﻧﺼﻒ‬ ‫ﻟﻠﺘ‬ ‫ﺍﻟﺤﺠﻤﻴﺔ‬ ‫ﺍﻟﺴﺮﻋﺔ‬ ‫ﺎﺭﺓ‬ ‫ﺍﻟﺤﺠ‬ ‫ﻟﺴﺮﻋﺔ‬ ٚ ‫ﻭ‬ ٚ ‫ﻭ‬ . . ‫ﻫﺬﻩ‬ ‫ﺧﻼﻝ‬ ‫ﺍﻟﻤﺒﺮﺯ‬ ‫ﺮﻛﻲ‬ ‫ﺧﻼﻝ‬ ‫ﻟﻤﺒﺮﺯ‬ .‫ﺤﺠﻤﻴﺔ‬ . :‫ﺻﻔﻴﺤﺘﻴﻦ‬ ‫ﻝ‬ :‫ﻴﺤﺘﻴﻦ‬ ‫ﺤﺠﻢ‬ ‫ﺣﺠﻢ‬ ‫ﻓﻲ‬ ‫ﻣﻐﻤﻮﺭﺓ‬ ‫ﺣ‬ ‫ﻓﻲ‬ ‫ﻐﻤﻮﺭﺓ‬ ‫ܥ‬ ‫ܥ‬ ‫ܥ‬ ‫ܥ‬ ܵ ‫ܥ‬ ‫ܥ‬ ‫ﺎﻨﻲ‬k‫ﻟ‬ 3as.ency-education.com

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