Electromagnetic Waves  waves resulting from changes in  the magnetic field  and  electric field  respectively, where the v...
Maxwell theory <ul><li>&quot;If changes in the magnetic field can generate an electric field, the opposite changes in elec...
The Speed of The Electromagnet Wave <ul><li>Only influenced by: </li></ul><ul><li>Electrical properties (electric permitti...
The Speed of The Electromagnet Wave <ul><li>Only influenced by: </li></ul><ul><li>Electrical properties (electric permitti...
The Spectrum of Electromagnetic Wave
RADIO WAVES AND TELEVISION <ul><li>Radio waves have a frequency range from 10 kHz to 1 GHz </li></ul><ul><li>Gelombang Rad...
MICRO WAVE <ul><li>On the radar (Radio Detecting and ranging), which acts as a transmitter and receiver of electromagnetic...
INFRARED RAY <ul><li>These rays are widely used for photographing the Earth's surface from space </li></ul><ul><li>Sinar i...
VISIBLE LIGHT <ul><li>Rays that helps vision and is in the region with a fairly narrow frequency with a wavelength between...
ULTRAVIOLET RAY <ul><li>Has a frequency between 10 15  Hz to 10 16  Hz is also called &quot;Short Wave“ </li></ul><ul><li>...
X-RAY <ul><li>Electromagnetic radiation with wavelengths between 10 nm to 100 pm (term frequency 10 16  Hz to 10 20  Hz). ...
GAMMA RAY <ul><li>Has a frequency between  10 20  Hz to  10 25  Hz.Dihasilkan by atoms that are unstable at the core of th...
LONG WAVE & FREQUENCY <ul><li>Rapid propagation of electromagnetic waves is expressed by wavelength and frequency where: <...
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Electromagnetic waves kebo

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Electromagnetic waves kebo

  1. 1. Electromagnetic Waves  waves resulting from changes in the magnetic field and electric field respectively, where the vibration direction of the electric field vector and the magnetic field vector perpendicular Gelombang elektromagnetik gelombang yang dihasilkan dari perubahan medan magnet dan medan listrik secara berurutan, dimana arah getar vektor medan listrik dan vektor medan magnet saling tegak lurus Electromagnetic Waves
  2. 2. Maxwell theory <ul><li>&quot;If changes in the magnetic field can generate an electric field, the opposite changes in electric field can produce magnetic fields&quot; (James Clerk Maxwell, 1864:1831 - 1879) </li></ul><ul><li>“ Jika perubahan medan magnetik dapat menghasilkan medan listrik, maka sebaliknya perubahan medan listrik dapat menghasilkan medan magnet” </li></ul><ul><li>(James Clerk Maxwell, 1864:1831 – 1879) </li></ul>Perubahan medan listrik Perubahan fluks magnetik
  3. 3. The Speed of The Electromagnet Wave <ul><li>Only influenced by: </li></ul><ul><li>Electrical properties (electric permittivity) For Marijuana space ε 0 = 8.85 x 10-12 C/Nm2 </li></ul><ul><li>The nature of magnetism (magnetic permeability) For Marijuana Space  0 = 4 x 10-7 Wb / Am </li></ul><ul><li>Hanya dipengaruhi oleh: </li></ul><ul><li>Sifat Kelistrikan (permitivitas listrik) </li></ul><ul><li>Untuk ruang Hampa   o = 8,85 x 10 -12 C/Nm 2 </li></ul><ul><li>Sifat Kemagnetan (permeabilitas magnetik) </li></ul><ul><li>Untuk Ruang Hampa   0 = 4  x 10 -7 Wb/Am </li></ul>
  4. 4. The Speed of The Electromagnet Wave <ul><li>Only influenced by: </li></ul><ul><li>Electrical properties (electric permittivity) For Marijuana space ε 0 = 8.85 x 10-12 C/Nm2 </li></ul><ul><li>The nature of magnetism (magnetic permeability) For Marijuana Space  0 = 4 x 10-7 Wb / Am </li></ul><ul><li>Hanya dipengaruhi oleh: </li></ul><ul><li>Sifat Kelistrikan (permitivitas listrik) </li></ul><ul><li>Untuk ruang Hampa   o = 8,85 x 10 -12 C/Nm 2 </li></ul><ul><li>Sifat Kemagnetan (permeabilitas magnetik) </li></ul><ul><li>Untuk Ruang Hampa   0 = 4  x 10 -7 Wb/Am </li></ul><ul><li>If the value of permittivity ( ε 0 ) and permeability (  0 ) we substitute into the equation above, then: </li></ul><ul><li>Jika Nilai Permitivitas (  o ) dan permeabilitas (  0 )kita substitusikan ke dalam persamaan diatas, maka : </li></ul>c = 3 x 10 8 m/sekon
  5. 5. The Spectrum of Electromagnetic Wave
  6. 6. RADIO WAVES AND TELEVISION <ul><li>Radio waves have a frequency range from 10 kHz to 1 GHz </li></ul><ul><li>Gelombang Radio mempunyai frekwensi berkisar antara 10 kHz sampai dengan 1 GHz </li></ul><ul><li>Radio waves generated by electric charges are accelerated through a wire conductor </li></ul><ul><li>TV waves have higher frequencies than radio waves. The waves propagate straight and not reflected Earth's atmosphere, so that the necessary relays </li></ul><ul><li>Gelombang Radio dihasilkan oleh muatan-muatan listrik yang dipercepat melalui kawat penghantar </li></ul><ul><li>Gelombang TV mempunyai frekuensi lebih tinggi daripada gelombang radio. Gelombangnya merambat lurus dan tidak dipantulkan atmosfer bumi, sehingga diperlukan relay </li></ul>
  7. 7. MICRO WAVE <ul><li>On the radar (Radio Detecting and ranging), which acts as a transmitter and receiver of electromagnetic waves is the antenna </li></ul><ul><li>Pada radar ( Radio Detecting and Ranging) yang bertindak sebagai pemancar dan penerima gelombang elektromagnetik adalah antenanya </li></ul>
  8. 8. INFRARED RAY <ul><li>These rays are widely used for photographing the Earth's surface from space </li></ul><ul><li>Sinar ini banyak digunakan untuk memotret permukaan bumi dari ruang angkasa </li></ul><ul><li>Note that if an object is photographed using a camera sensitive to infrared rays </li></ul><ul><li>Perhatikan jika sebuah objek di potret dengan menggunakan kamera yang peka dengan sinar infra merah </li></ul>
  9. 9. VISIBLE LIGHT <ul><li>Rays that helps vision and is in the region with a fairly narrow frequency with a wavelength between 430 nm - 690 nm </li></ul><ul><li>Sinar yang membantu penglihatan dan berada pada daerah dengan frekuensi yang cukup sempit dengan panjang gelombang antara 430 nm – 690 nm </li></ul>
  10. 10. ULTRAVIOLET RAY <ul><li>Has a frequency between 10 15 Hz to 10 16 Hz is also called &quot;Short Wave“ </li></ul><ul><li>Mempunyai frekwensi antara 10 15 Hz hingga 10 16 Hz juga disebut &quot;Gelombang Pendek&quot; ( Short Wave </li></ul><ul><li>Some animals, including birds, reptiles, and insects such as bees can look up to &quot;almost UV&quot;. Many fruits, flowers and seeds more obvious compared with human color vision. </li></ul><ul><li>Beberapa hewan, termasuk burung, reptil, dan serangga seperti lebah dapat melihat hingga mencapai &quot;hampir UV&quot;. Banyak buah-buahan, bunga dan benih terlihat lebih jelas dibandingkan dengan penglihatan warna manusia. </li></ul>
  11. 11. X-RAY <ul><li>Electromagnetic radiation with wavelengths between 10 nm to 100 pm (term frequency 10 16 Hz to 10 20 Hz). </li></ul><ul><li>Radiasi elektromagnetik dengan panjang gelombang antara 10 nm ke 100 pm (frekuensi dalam jangka 1016 Hz sampai 1020 Hz). </li></ul><ul><li>X-rays are commonly used in medical diagnosis and X-ray Crystallography. X-rays are a form of ionizing radiation and can be dangerous </li></ul><ul><li>Sinar-X umumnya digunakan dalam diagnosis medical dan Kristalografi sinar-X. Sinar-X adalah bentuk dari radiasi ion dan dapat berbahaya </li></ul>
  12. 12. GAMMA RAY <ul><li>Has a frequency between 10 20 Hz to 10 25 Hz.Dihasilkan by atoms that are unstable at the core of the reaction process. </li></ul><ul><li>Mempunyai frekwensi antara 10 20 Hz sampai 10 25 Hz.Dihasilkan oleh atom-atom yang tidak stabil pada proses reaksi inti. </li></ul><ul><li>Gamma rays can penetrate the metal up to several centimeters, and gamma rays used to sterilize medical devices. </li></ul><ul><li>Sinar gamma dapat menembus logam sampai beberapa cm, dan sinar gamma digunakan untuk sterilisasi alat-alat kedokteran. </li></ul>
  13. 13. LONG WAVE & FREQUENCY <ul><li>Rapid propagation of electromagnetic waves is expressed by wavelength and frequency where: </li></ul>c =  f c = rapid propagation of electromagnetic waves    = 3 x 108 m / s  = wavelength (m) f = frequency (Hz) Cepat rambat gelombang elektromagnetik dinyatakan dengan panjang gelombang dan frekwensi

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