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Electromagnetic Waves Free Doubts and Solutions

CBSE - XII Science - Physics - Electromagnetic Waves

the ratio of the frequency of UV rays and infrared rays, not refractive index

Asked by modi72879 30th December 2017, 11:16 AM
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CBSE - XII Science - Physics - Electromagnetic Waves

Plz also explain me in detail what Eddy currents actually are and how are they formed??plz

Asked by upmaniousagarika 30th July 2016, 5:50 PM
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CBSE - XII Science - Physics - Electromagnetic Waves

But plz give me a little bit knowledge about how do these fields travel in vacuum Just for understanding.

Asked by upmaniousagarika 29th July 2016, 6:30 PM
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CBSE - XII Science - Physics - Electromagnetic Waves

Why are microwaves used in radar?

Asked by tripathi.durba 8th January 2016, 7:57 PM
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CBSE - XII Science - Physics - Electromagnetic Waves

Here v1=k*r1 , v2=k*r2 , v3=k*r3 therefore v1:v2:v3=r1:r2:r3 but how is v1:v2:v3=r3:r2:r1

Asked by Alekhya K 7th October 2014, 11:48 AM
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CBSE - XII Science - Physics - Electromagnetic Waves

Asked by Alekhya K 6th October 2014, 12:39 PM
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CBSE - XII Science - Physics - Electromagnetic Waves

What is displacement current?explain about maxwell-ampere law?

Asked by SUHAS MELMURI 4th March 2014, 12:18 AM
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CBSE - XII Science - Physics - Electromagnetic Waves

(a) An em wave is travelling in a medium with a velocity v = vi  ? . Draw a sketch showing the propagation of the em wave, indicating the direction of the oscillating electric and magnetic fields. (b) How are the magnitudes of the electric and magnetic fields related to the velocity of the em wave

Asked by sujata shahid 3rd March 2014, 9:41 PM
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CBSE - XII Science - Physics - Electromagnetic Waves

please explain how to remember the table of variation of frequency of different waves like radio waves,microwaves etc?

Asked by Shefali 2nd March 2014, 1:17 PM
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