Answer / Amitabh Singh

In waves, the crest is the uppermost point of a wave's oscillation cycle

Explain refraction?

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i measured a 3-ph capacitor with a multimeter which is not connected to supply... but i could get the phase to phase voltage... how tis is possible..????

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If the moons orbit is inclined slightly relative to the earths orbit what effect does this have on eclipses?

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This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:

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Explain the difference between collector & emitter of transistor, even though material used for both same?

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can we use kgs instead of kg? why?

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Which particles/ rays do radioactive substances emit?

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What is the difference between collector & emitter of trnsistor,even though material used for both same.

3 Answers  

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Explain the index of refraction of air?

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How is the index of refraction computed?

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Which animals communicate on under water sounds?

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Explain the use of galvanometer?

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