Answer / Harendra Kumar

Wave fronts are imaginary surfaces that represent the position of a wave at any given moment in time. All points on a single wavefront have the same phase, meaning they experience the peak or trough simultaneously.

When a person whirls a rock on the end of a string and maintains it in uniform circular motion, the force exerted on the rock is most accurately referred to as?

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Is it possible to convert a heat energy into magnetic energy?

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Explain optical telescopes?

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Explain what is the proper formula used to calculate acceleration?

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How increasing threshold voltage can affect on current in transistor?

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I have energy of (220V*1A=)220W. I want to convert it into (12V*15A=)180W. Is this possible? If yes, then how?

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Explain the Elasticity and Surface Tension ?

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Explain the use of galvanometer?

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