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PHYSICS WALLAH-ELECTROMAGNETIC WAVES-LEVEL - 2
- The displacement current was first postulated by
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- The fundamental source of e.m. waves
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- Electromagnetic waves are
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- In an electromagnetic wave, electric field E and magnetic field B are
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- Electromagnetic wave obey the principle of
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- Microwaves are used for
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- Which of the following are not electromagnetic waves?
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- Which of the following radiation form the part of electromagnetic spec...
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- Which of the following electromagnetic radiation has largest wavelengt...
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- An accelerated electron would produce
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- In an electromagnetic wave, the electric and magnetising fields are 10...
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- In an apparatus the electric field was found to oscillate with an ampl...
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- A micro-wave and an ultrasonic sound wave have the same wavelength. Th...
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- The electromagnetic wave travel with a velocity
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- In a certain region of space electric field E and magnetic field B are...
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- Which of the following rays are not electromagnetic waves?
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