What are rectifiers used for?
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Why is flywheel used in motor cars ?
What is meant by reflection of waves?
Explain the Velocity and Acceleration ?
Explain one advantage of a scanning electron microscope over a transmission electron microscope?
What is reverberation?
Explain heat treatment. Why and how is it done?
In which medium the velocity of sound is large?
what is the mean of g= 9.8m/s2. waht is the mean of unit m/s2
Explain about Binocular?
Why does a body weigh more at the poles than at the equator?
what does quantity of matter in an object denote
what happens when an object travels in the speed of light hits another object?