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R G PUBLICATION-ELECTROMAGNETIC WAVES-EXERCISE
- What is green house effect?
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- Write the wavelength range of a visible ray.
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- What is visible light?
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- Why do the electrostatic field lines not form closed loop?
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- Give difference between displacement current and conduction current.
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- What are radio wave? How they propagate?
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- Name the different layer of earth's atmosphere.
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- Why are microwave used in Radar?
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- Which has highest wave length, r-rays, x-ray and micro wave?
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- What is the frequency range of the visible portion of the electromagne...
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- Arrange the following radiation in descending order of wave length: x-...
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- Write down Maxwell's equations for steady electric field.
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- What modification was made by Maxwell in Amper's circuital law.
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- For long distance radio broadeast, we use short wave only. Why?
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- State two properties of e.m wave.
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- What oscillates in electro magnetic wave.
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- Why sky wave are not used in television signals.
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- Give the ratio of velocities of light rays of wave length 4000 overset...
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- Draw a diagram for a linearly polarised electromagnetic wave, propagat...
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- A plane electromagnetic wave of frequency 10MH tranvells in free space...
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