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The electromagnetic waves which are used...

The electromagnetic waves which are used in the working of solar water heaters and cookers are called.........

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infrared waves
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PRADEEP-ELECTROMAGNETIC WAVES-Exercise
  1. The ultraviolet rays were discovered by .......... in ..........

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  2. The electromagnetic waves of frequency range 3xx10^18 to 5xx10^22 are ...

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  3. The electromagnetic waves which are used in the working of solar water...

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  4. The sequence (order) in which electromagnetic waves of different wavel...

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  5. The spectrum which we can see through our eyes is called.........

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  6. A parallel plate capacitor of plate separation 2 mm is connected in an...

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  7. A parallel plate capacitor has circular plates, each of radius 8cm, It...

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  8. A parallel plate capacitor is made out of two rectangular metal pates ...

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  9. A parallel plate capacitor with circular plates of radius 0.12m is bei...

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  10. A capacitor consists of two circular plates each of radius 8.0 cm and ...

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  11. A paralle plate capacitor of capacitance 0.2 muF is connected across a...

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  12. A laser beam has intensity 4.0xx10^14Wm^-2. Find the amplitudes of ele...

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  13. Find the photon energy in (i) calories (ii) watt hour (iii) electron v...

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  14. In a plane e.m.wave, the electric field oscillates sinusoidally at a f...

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  15. A magnetic field in a plane e.m. wave is given by, By=3xx10^-7 sin[(1....

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  16. An electric field in an e.m.wave is given by E=200 sin .(2pi)/lambda...

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  17. A plane e.m. wave propagating in the x-direction has a wavelength 5.0 ...

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  18. The magnetic field in a plane electromangnetic wave is given by B=(3...

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  19. An observer is 1.8 m from an isotropic point light source whose power ...

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  20. In a plane e.m. wave, the electric field oscillates withe amplitude 20...

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