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Start learning 50% faster. Sign in nowThe Doppler Effect primarily refers to changes in what aspect of waves?
The important unit of a microprocessor is –
A ray of light from the object parallel to principal axis of a concave lens, after refraction appears to diverge from which point on the same side of th...
Smog is a combination of –
What is the speed of light in air?
Who defined the law of gravitation?
What is the SI unit of power?
In the atmosphere ultraviolet rays are absorbed by –
‘Therm' is the unit of –
What term describes the rate of change of velocity?