Physics Practice Question and Answer
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Q: The method of transmission of heat is-
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5f8fcfb67793eb35d72651bc- 1Conductionfalse
- 2Convectionfalse
- 3Radiationfalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: Which is the force due to which the body is pulled towards the center of the earth?
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5f8fcee93ca2d767b181e989- 1Gravitational forcetrue
- 2Massfalse
- 3Momentumfalse
- 4impulsive forcefalse
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Answer : 1. "Gravitational force "
Q: An object is placed in front of a concave mirror at a point between its focus point and the centre of curvature. The image to be created will be:
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5f86b3bdb7ad805e26c1f65d- 1virtual and straightfalse
- 2Virtual and oppositefalse
- 3Real and oppositetrue
- 4Real and straightfalse
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Answer : 3. "Real and opposite"
Q: What is the most effective conductor of electricity?
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5f86a8e8dcf12a01a1419787- 1Goldfalse
- 2Ironfalse
- 3Silvertrue
- 4Copperfalse
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Answer : 3. "Silver "
Q: The product of mass and velocity of an object is called-
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5f86a7c688adb713cedfa566- 1momentumtrue
- 2accelerationfalse
- 3volumefalse
- 4densityfalse
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Answer : 1. "momentum"
Q: Mechanical Energy is:
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5f86a4cdb7ad805e26c17e96- 1The energy release during mechanical work.false
- 2The sum of kinetic energy and the potential energy of an object.true
- 3Equal to the rate of doing work.false
- 4The Energy absorbed during movement of a body.false
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Answer : 2. "The sum of kinetic energy and the potential energy of an object. "
Q: A 1 kg object is dropped from a height of 30 meters to the ground. The work done by the force of gravity will be
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5f86a39bb7ad805e26c16cb0- 130 Jfalse
- 210 Jfalse
- 30.33 Jfalse
- 4300 Jtrue
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Answer : 4. "300 J"
Q: The product of force and displacement is called—
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5f86a302b7ad805e26c163d8- 1Accelerationfalse
- 2Worktrue
- 3Momentumfalse
- 4Weightfalse
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Answer : 2. "Work"
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