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physics objective Questions and Answers with explanation and solutions

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Physics - Work Energy power and collision Questions and Answer >>

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1. A ball of mass m moves with speed v and strikes a wall having infinite mass and it returns with same speed then the work done by the ball on the wall is . [BCECE 2004]


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2. The energy which an e- acquires when accelerated through a potential difference of 1 volt is called . [UPSEAT 2000]


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3. Two masses of 1kg and 16kg are moving with equal K.E. The ratio of magnitude of the linear momentum is . [AIEEE 2002]


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4. A body at rest may have


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5. The potential energy of a body is given by, U = A - Bx2 (Where x is the displacement). The magnitude of force acting on the particle is. [BHU 2002]


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