A cone in an unstable equilibrium has its potential energ...
A cone in an unstable equilibrium has its potential energy
decreased
increased
unchanged
oscillating
Correct answer is B
No explanation has been provided for this answer.
In alternating current circuit at resonance, the angle of lead or lag is?...
Which of the following units is the S.I. unit of heat capacity? ...
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The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure o...
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An electric lamp rated 120W is used on a 240Vrms, calculate the resistance of its filament ...
Dewpoint is the temperature at which, water vapour in the atmosphere ...