1st PUC physics Series-4

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PUC Science 1st Year Physics Series-4 quiz

Created on By wefru

1st PUC Physics Series 4


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Q.31  The coefficient of restitution e for a perfectly inelastic collision is

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Q.32 When two bodies stick together after the collision, the collision is said to be

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Q.33 A completely inelastic collision is one in which the two colliding particles

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Q.34 A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. What is conserved?

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Q.35 A body of mass m moving with a constant velocity v hits another body of the same mass moving with the same velocity v but in the opposite direction and sticks to it. The velocity of the compound body after the collision is

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Q.36 A 50 g bullet moving with velocity 10 m/s strikes a block of mass 950 g at rest and gets embedded in it. The loss in kinetic energy will be

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Q.37 A ball is dropped from a height 10m. The ball is embedded in sand 1m and stops, then

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Q.38 Which of the following is not perfectly inelastic collision?

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Q.39 A particle of mass m moving with velocity v strikes a stationary particle of mass 2m and stricks to it. The speed of the system will be

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Q.40 If a skater of weight 3 Kg has initial speed 32 m/s and the second one of weight 4 kg has 5m/s. After the collision, they have speed (couple) 5 m/s. Then the loss in K.E is

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