BITSAT (Birla Institute of Technology & Science Admission Test) Physics: Questions 80 - 86 of 382

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Question 80

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MCQ▾

A big drop is formed by 1000 small droplets of water, then the radius of small drop is

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Question 81

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MCQ▾

A body of mass is rotating in a circular path of radius r with constant velocity. The work done in one complete revolution is –

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Question 82

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MCQ▾

A black body radiates heat energy at the rate of at a temperature of . The temperature of the black body, at which the rate of heat radiation in is

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Question 83

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MCQ▾

A parallel plate capacitor is charged to Due to a radioactive source, the plate loses charge at the rate of . The magnitude of displacement current is

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Question 84

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MCQ▾

Two lenses whose powers are and , respectively. The Power of Combination will be –

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Question 85

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MCQ▾

The speed of a wave in a medium is . If 3600 waves are passing through a point in the medium in 2 minutes, then its wavelength is

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Question 86

Question

MCQ▾

The kinetic energy of a particle executing S. H. M, is 16 when it is in its mean position. If the amplitude of oscillation is , and the mass of the particle is then time period of the oscillation is –

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