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Ozone layer (рдУрдЬреЛрди рдкрд░рдд)
Dr. Uma Gupta
Ozone layer (рдУрдЬреЛрди рдкрд░рдд)
яБ╡ The ozone layer or ozone shield is a region of Earth's stratosphere that
absorbs most of the Sun's ultraviolet radiation.
яБ╡ It contains a high concentration of ozone (O3). The ozone layer was
discovered in 1913 by the French physicists Charles Fabry and Henri
Buisson.
яБ╡ The ozone layer absorbs 97 to 99 percent of the Sun's medium-frequency
ultraviolet light.
яБ╡ рдУрдЬреЛрди рдкрд░рдд рдпрд╛ рдУрдЬреЛрди рдврд╛рд▓ рдкреГрдереНрд╡реА рдХ
реЗ рд╕рдорддрд╛рдк рдордВрдбрд▓ рдХрд╛ рдПрдХ рдХреНрд╖реЗрддреНрд░ рд╣реИ рдЬреЛ рд╕реВрдпрдп рдХ
реЗ
рдЕрдзрд┐рдХрд╛рдВрд╢ рдкрд░рд╛рдмреИрдВрдЧрдиреА рд╡рд╡рдХрдХрд░рдг рдХреЛ рдЕрд╡рд╢реЛрд╡рд┐рдд рдХрд░рддрд╛ рд╣реИред
яБ╡ рдЗрд╕рдореЗрдВ рдУрдЬреЛрди (O3) рдХреА рдЙрдЪреНрдЪ рд╕рд╛рдВрджреНрд░рддрд╛ рд╣реЛрддреА рд╣реИред
яБ╡ рдУрдЬреЛрди рдкрд░рдд рдХреА рдЦреЛрдЬ 1913 рдореЗрдВ рдлреНрд╛рдВрд╕реАрд╕реА рднреМрддрддрдХрд╡рд╡рджреЛрдВ рдЪрд╛рд░реНрд▓рд╕рдп рдл
реЗ рдмреНрд░реА рдФрд░ рд╣реЗрдирд░реА
рдмреБрдЗрд╕рди рдиреЗ рдХреА рдереАред
яБ╡ рдУрдЬреЛрди рдкрд░рдд рд╕реВрдпрдп рдХреА рдордзреНрдпрдо рдЖрд╡реГрд╡рд┐ рд╡рд╛рд▓реА рдкрд░рд╛рдмреИрдВрдЧрдиреА рдкреНрд░рдХрд╛рд╢ рдХрд╛ 97 рд╕реЗ 99
рдкреНрд░рддрддрд╢рдд рдЕрд╡рд╢реЛрд╡рд┐рдд рдХрд░рддреА рд╣реИ
Ozone layer (рдУрдЬреЛрди рдкрд░рдд)
Ozone layer depletion (рдУрдЬреЛрди рдкрд░рдд рд░рд░рдХреНрддреАрдХрд░рдг ):
яБ╡ In 1976, atmospheric research revealed that the ozone layer was being
depleted by chemicals released by industry,
mainly chlorofluorocarbons (CFCs).
яБ╡ In 1985, British scientist discovered Ozone hole. They find 2% shortage in the
thickness of ozone layer, this depletion is a symbol of danger.
яБ╡ If the depletion is going on the day is not so far when harmful ultra violet rays
demolish everything. so it is quite necessary to ban CFC gases completely.
яБ╡ 1976 рдореЗрдВ, рд╡рд╛рдпреБрдордВрдбрд▓реАрдп рд╢реЛрд┐ рд╕реЗ рдкрддрд╛ рдЪрд▓рд╛ рдХрдХ рдУрдЬреЛрди рдкрд░рдд рдЙрджреНрдпреЛрдЧ рджреНрд╡рд╛рд░рд╛ рдЬрд╛рд░реА
рд░рд╕рд╛рдпрдиреЛрдВ, рдореБрдЦреНрдп рд░реВрдк рд╕реЗ рдХреНрд▓реЛрд░реЛрдлреНрд▓реЛрд░реЛрдХрд╛рдмрдпрди (рд╕реАрдПрдлрд╕реА) рджреНрд╡рд╛рд░рд╛ рд╕рдорд╛рдкреНрдд рдХреА рдЬрд╛ рд░рд╣реА рдереАред
яБ╡ 1985 рдореЗрдВ рдмреНрд░рдмреНрд░рдЯрд┐рд╢ рд╡реИрдЬреНрдЮрд╛рддрдирдХ рдиреЗ рдУрдЬреЛрди рддрд┐рджреНрд░ рдХреА рдЦреЛрдЬ рдХреАред
яБ╡ рд╡реЗ рдУрдЬреЛрди рдкрд░рдд рдХреА рдореЛрд┐рд╛рдИ рдореЗрдВ 2% рдХреА рдХрдореА рдкрд╛рддреЗ рд╣реИрдВ, рдпрд╣ рдХрдореА рдЦрддрд░реЗ рдХрд╛ рдкреНрд░рддреАрдХ рд╣реИред рдпрдЯрдж
рдХрдореА рд╣реЛ рд░рд╣реА рд╣реИ рддреЛ рд╡рд╣ рдЯрджрди рджреВрд░ рдирд╣реАрдВ рдЬрдм рд╣рд╛рддрдирдХрд╛рд░рдХ рдЕрд░реНрд▓рд░рд╛ рд╡рд╛рдпрд▓реЗрд┐ рдХрдХрд░рдгреЗрдВ рд╕рдм рдХ
реБ рд┐
рдзреНрд╡рд╕реНрдд рдХрд░ рджреЗрдВред рдЗрд╕рд▓рд▓рдП рд╕реАрдПрдлрд╝рд╕реА рдЧреИрд╕реЛрдВ рдХреЛ рдкреВрд░реА рддрд░рд╣ рд╕реЗ рдкреНрд░рддрддрдмрдВрдзрд┐рдд рдХрд░рдирд╛ рддрдирддрд╛рдВрдд
рдЖрд╡рд╢реНрдпрдХ рд╣реИред
рдУрдЬреЛрди рдкрд░рдд рд░рд░рдХреНрддреАрдХрд░рдг
Ozone layer depletion (рдУрдЬреЛрди рдкрд░рдд рд░рд░рдХреНрддреАрдХрд░рдг ):
Thank you!!!

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ozone layer.pptx

  • 1. Ozone layer (рдУрдЬреЛрди рдкрд░рдд) Dr. Uma Gupta
  • 2. Ozone layer (рдУрдЬреЛрди рдкрд░рдд) яБ╡ The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. яБ╡ It contains a high concentration of ozone (O3). The ozone layer was discovered in 1913 by the French physicists Charles Fabry and Henri Buisson. яБ╡ The ozone layer absorbs 97 to 99 percent of the Sun's medium-frequency ultraviolet light. яБ╡ рдУрдЬреЛрди рдкрд░рдд рдпрд╛ рдУрдЬреЛрди рдврд╛рд▓ рдкреГрдереНрд╡реА рдХ реЗ рд╕рдорддрд╛рдк рдордВрдбрд▓ рдХрд╛ рдПрдХ рдХреНрд╖реЗрддреНрд░ рд╣реИ рдЬреЛ рд╕реВрдпрдп рдХ реЗ рдЕрдзрд┐рдХрд╛рдВрд╢ рдкрд░рд╛рдмреИрдВрдЧрдиреА рд╡рд╡рдХрдХрд░рдг рдХреЛ рдЕрд╡рд╢реЛрд╡рд┐рдд рдХрд░рддрд╛ рд╣реИред яБ╡ рдЗрд╕рдореЗрдВ рдУрдЬреЛрди (O3) рдХреА рдЙрдЪреНрдЪ рд╕рд╛рдВрджреНрд░рддрд╛ рд╣реЛрддреА рд╣реИред яБ╡ рдУрдЬреЛрди рдкрд░рдд рдХреА рдЦреЛрдЬ 1913 рдореЗрдВ рдлреНрд╛рдВрд╕реАрд╕реА рднреМрддрддрдХрд╡рд╡рджреЛрдВ рдЪрд╛рд░реНрд▓рд╕рдп рдл реЗ рдмреНрд░реА рдФрд░ рд╣реЗрдирд░реА рдмреБрдЗрд╕рди рдиреЗ рдХреА рдереАред яБ╡ рдУрдЬреЛрди рдкрд░рдд рд╕реВрдпрдп рдХреА рдордзреНрдпрдо рдЖрд╡реГрд╡рд┐ рд╡рд╛рд▓реА рдкрд░рд╛рдмреИрдВрдЧрдиреА рдкреНрд░рдХрд╛рд╢ рдХрд╛ 97 рд╕реЗ 99 рдкреНрд░рддрддрд╢рдд рдЕрд╡рд╢реЛрд╡рд┐рдд рдХрд░рддреА рд╣реИ
  • 4. Ozone layer depletion (рдУрдЬреЛрди рдкрд░рдд рд░рд░рдХреНрддреАрдХрд░рдг ): яБ╡ In 1976, atmospheric research revealed that the ozone layer was being depleted by chemicals released by industry, mainly chlorofluorocarbons (CFCs). яБ╡ In 1985, British scientist discovered Ozone hole. They find 2% shortage in the thickness of ozone layer, this depletion is a symbol of danger. яБ╡ If the depletion is going on the day is not so far when harmful ultra violet rays demolish everything. so it is quite necessary to ban CFC gases completely. яБ╡ 1976 рдореЗрдВ, рд╡рд╛рдпреБрдордВрдбрд▓реАрдп рд╢реЛрд┐ рд╕реЗ рдкрддрд╛ рдЪрд▓рд╛ рдХрдХ рдУрдЬреЛрди рдкрд░рдд рдЙрджреНрдпреЛрдЧ рджреНрд╡рд╛рд░рд╛ рдЬрд╛рд░реА рд░рд╕рд╛рдпрдиреЛрдВ, рдореБрдЦреНрдп рд░реВрдк рд╕реЗ рдХреНрд▓реЛрд░реЛрдлреНрд▓реЛрд░реЛрдХрд╛рдмрдпрди (рд╕реАрдПрдлрд╕реА) рджреНрд╡рд╛рд░рд╛ рд╕рдорд╛рдкреНрдд рдХреА рдЬрд╛ рд░рд╣реА рдереАред яБ╡ 1985 рдореЗрдВ рдмреНрд░рдмреНрд░рдЯрд┐рд╢ рд╡реИрдЬреНрдЮрд╛рддрдирдХ рдиреЗ рдУрдЬреЛрди рддрд┐рджреНрд░ рдХреА рдЦреЛрдЬ рдХреАред яБ╡ рд╡реЗ рдУрдЬреЛрди рдкрд░рдд рдХреА рдореЛрд┐рд╛рдИ рдореЗрдВ 2% рдХреА рдХрдореА рдкрд╛рддреЗ рд╣реИрдВ, рдпрд╣ рдХрдореА рдЦрддрд░реЗ рдХрд╛ рдкреНрд░рддреАрдХ рд╣реИред рдпрдЯрдж рдХрдореА рд╣реЛ рд░рд╣реА рд╣реИ рддреЛ рд╡рд╣ рдЯрджрди рджреВрд░ рдирд╣реАрдВ рдЬрдм рд╣рд╛рддрдирдХрд╛рд░рдХ рдЕрд░реНрд▓рд░рд╛ рд╡рд╛рдпрд▓реЗрд┐ рдХрдХрд░рдгреЗрдВ рд╕рдм рдХ реБ рд┐ рдзреНрд╡рд╕реНрдд рдХрд░ рджреЗрдВред рдЗрд╕рд▓рд▓рдП рд╕реАрдПрдлрд╝рд╕реА рдЧреИрд╕реЛрдВ рдХреЛ рдкреВрд░реА рддрд░рд╣ рд╕реЗ рдкреНрд░рддрддрдмрдВрдзрд┐рдд рдХрд░рдирд╛ рддрдирддрд╛рдВрдд рдЖрд╡рд╢реНрдпрдХ рд╣реИред рдУрдЬреЛрди рдкрд░рдд рд░рд░рдХреНрддреАрдХрд░рдг
  • 5. Ozone layer depletion (рдУрдЬреЛрди рдкрд░рдд рд░рд░рдХреНрддреАрдХрд░рдг ):
  • 6.
  • 7.