MCQ 11 MarkWhen we wind a watch, the muscular energy changes into :Asound energyBmagnetic energyCkinetic energy✓potential energyAnswerCorrect option: D. potential energyDView full question & answer→
MCQ 21 MarkFlowing water turns the blade of turbine because it possesses:✓potential energyBkinetic energyCBoth (a) and (b)Dnone of theseAnswerCorrect option: A. potential energyAView full question & answer→
MCQ 31 MarkEnergy is neither created nor destroyed in a system, is known as :Alaw of conservation of massBlaw of conversion of mass✓law of conservation of energyDlaw of conversion of energyAnswerCorrect option: C. law of conservation of energyCView full question & answer→
MCQ 41 MarkA vibrating body possesses :✓sound energyBlight energyCelectric energyDmagnetic energyAnswerCorrect option: A. sound energyAView full question & answer→
MCQ 51 MarkLight of a bulb is an example of conversion of :Aheat energy into light energyBelectric energy into heat energyCelectric energy into light energy✓Both (b) and (c)AnswerCorrect option: D. Both (b) and (c)DView full question & answer→