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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. 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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2. In which case does the potential energy decrease . [MP PET 1996]


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3. Which of the following is a scalar quantity. [AFMC 1998]


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4. The decrease in the potential energy of a ball of mass 20 kg which falls from a height of 50 cm is. [AIIMS 1997]


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5. When a spring is stretched by 2 cm, it stores 100 J of energy. If it is stretched further by 2 cm, the stored energy will be increased by . [Orissa JEE 2002]


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