Q901
Open questionBall pen functions on the principle of :
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Q902
Open questionWhen a detergent is added to pure water, its surface tension
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Q903
Open questionPieces of camphor placed on water move about rapidly. This is because of
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Q904
Open questionWhat is unit of Viscosity ?
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Q905
Open questionThe hair of shaving brush clings together when removed from water due to
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Q906
Open questionA body falling through a liquid acquires a steady velocity is known as
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Q907
Open questionThe spoon dropped by an astronaut in a satellite will
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Q908
Open questionAn aircraft can perform aerobatic manoeuvres in a vertical loop because of
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Q909
Open questionWhich one is not a part of Kepler's Law?
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Q910
Open questionKepler's law of planetary motion states that the square of the time period is proportional to the
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Q911
Open questionThe centre of gravity of a sprinter during the race lies
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Q912
Open questionWho enunciated the laws of planetary motion?
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Q913
Open questionThe tidal waves on sea is mainly due to
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Q914
Open questionThe time period of a pendulum when taken to the Moon would:
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Q915
Open question"God Particle" is
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Q916
Open questionThe mass of a star is two times the mass of the Sun. How it will come to an end ?
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Q917
Open questionWhich of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ?
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Q918
Open questionThe period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:
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Q919
Open questionWhich is evidence that supports the dynamo theory?
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Q920
Open questionWhich of the following is indicated by the colour of a star ?
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