Question

◆ CHOOSE THE CORRECT OPTION (MCQs) :-

1] A body floats in a liquid contained in a beaker. The whole system falls freely under gravity. The upward thrust on the body due to the liquid then is :
(a) zero
(b) equal to the liquid displaced.
(c) equal to the weight of the body in air.
(d) equal to the weight of the immersed portion in the liquid.

2] Clouds float in the atmosphere on account of their :
(a) low viscosity
(b) low density
(c) low temperature
(d) creation of low pressure

3] After terminal velocity to reach, the acceleration of a body falling through a fluid is :
(a) equal to g (acceleration due to gravity)
(b) zero
(c) less than g (acceleration due to gravity)
(d) more than g (acceleration due to gravity)

Answer 1

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HERE IS UR ANSWER

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1... OPTION A

NO UPTHRUST

2... OPTION B

LOW DENSITY

3....OPTION B

ZERO

HOPE IT HELPS U

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