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RESONANCE-ELECTRO MAGNETIC WAVES-Exercise
- The displacement current was first postulated by
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- The fundamental source of e.m. waves
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- An accelerated electric charge emits
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- Electromagnetic waves in nature are
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- The velocity of electromagnetic waves in free space can be given by re...
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- Select wrong statement from the following - Electomagnetic waves
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- The electric and magnetic field of an electromagnetic wave is
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- If E and B represent electric and magnetic field vectors of the electr...
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- An electromagnetic wave travel along z-axis. Which of the following pa...
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- Electromagnetic wave obey the principle of
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- Hertz produced electromagnetic wave by using
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- The shortest wavelength is for
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- Which has the longest wavelength
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- Microwaves are used for
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- The earth's atmosphere is richer in
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- The upper atmosphere layer is known as
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- Ionosphere is mainly composed if
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- What is Greenhouse effect.
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- Greenhouse effect keeps the earth surface
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- Ozone layer exist in
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