Sound can not travel in which of the following medium?
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Fuse wire is made of an alloy of
Electric Motor converts _____ energy to mechanical energy
For which one of the following, 'Diodes' are generally used for?
If speed of rotation of the earth increases, the weight of the body
The laws which govern the motion of planets are called ___________________.
The value of universal gravitation constant (G) was determined by
An example of longitudinal waves (in gas as a medium) is ______.