CSIT Entrance Preparation MCQ Questions - Hamro CSIT

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A body is allowed to slide down a frictionless track freely under gravity. The track ends in a semicircular shaped part of diameter D. What should be the height minimum from which the body must fall so that it completes the circle:

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A stone tied to a string of length L is whirled in a vertical circle with the other end of the string at the center. At a certain instant of time, the stone is in the lowest position and has speed u. The magnitude of change in velocity as it reaches a point where the string is horizontal is

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A satellite is revolving around a planet of radius ‘r’ with speed ‘V0’. If the satellite is made to revolve in another planet of twice the mass than original and constant radius then ratio of initial to final velocity is

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A uniform metallic disc has its M.I I0 about its diameter. Then its M.I about an axis through its rim perpendicular to the plane will be

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Kinetic energy of a particle in SHM when its displacement is 1/3 of its amplitude is

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A metallic bar is heated from 0ºC to 100ºC but it is so held that it can neither expand nor bend, then the force developed is

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The coefficient of superficial expansion of a solid is 2×10-5 K-1 . Its coefficient of linear expansion is

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A body radiates energy at the rate of 5 W at a temperature of 127°C. If the temperature is increased to 927°C, then it radiates energy at the rate of

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A -ve charge of 1C is moving from -1000V to +1000V. Then the work done will be

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A parallel plate capacitor is filled by copper plate of thickness b. The new capacity will be

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