Answer Posted / govardhan

So darkness is dimension less and direction less quantity...We can say intensity of light but we cannot say intensity of darkness.. Absence of light is darkness.. And darkness need not be equal to speed of light!! the whole universe is in fact has more darkness..

Draw a graph between frequency of photon and velocity of photo electron?

896

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How do you find your body volume using a tape measure?

952

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what is the name of the device that is made by combining two basic types of solid state rectifiers allowing the device to both rectify and amplify a current?

968

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Explain what is density?

927

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What is periodic wave?

1108

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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:

948

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The velocity of sound in gas depends upon what?

1000

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Explain what is optical medium?

938

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Give one advantage of a scanning electron microscope over a transmission electron microscope?

962

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How is the index of refraction computed?

1270

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Explain why does sun appear flat during sunrise and sunset?

913

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explain principle of potentiometer

3112

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When a radar gun says the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity?

974

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Tell me what is ion pair energy?

1060

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How do you calculate tensile strength?

1040

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