Friction is caused by the ______________ on the two surfaces in contact.
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________________ refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.
The SI unit of G, the universal gravitation constant is ______________.
Terminal velocity ________.
What is the unit of the physical quantity "Capacitance"?
Polarizing sunglasses are useful because they are able to
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Who proposed Continental drift theory?
With reference to gravity, what is G called?