Physics MCQs

Page No. 73

Which shows the correct relation between time of flight T and maximum height H ?


aH=gT2/8

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bH=8T2/g

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cH=8g/T2

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dH=gT2

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View Answer H=gT2/8

What is the shape of velocity, time graph for constant acceleration ?


astraight inclined line.

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bparabola

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c inclined curve

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ddeclined curve

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When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?


aCentripetal force

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bGravitational force

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cTheir inertia

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dCentrifugal force

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View Answer Centrifugal force

The collision between two bodies be elastic if bodies are_________________?


asolid and soft

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bsoft and elastic

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csolid and hard

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dhard and elastic

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View Answer solid and hard

Which of the following pair has same direction always ?


aforce, displacement

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bforce, velocity

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cforce, acceleration

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dforce, momentum

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View Answer force, acceleration

3rd law of motion explains______________________?


aeffect of force

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bexistence of a force

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cexistence of two forces

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d existence of pair of forces in nature

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1st law of motion gives the definition of _________________________?


arest

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bmotion

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cvelocity

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dforce

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View Answer force

Inertia of an object is quantitative measure of its__________________?


a volume

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bdensity

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cmass

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dtemperature

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View Answer mass

Instantaneous and average velocities become equal when body___________________?


ahas zero acceleration

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bhas uniform acceleration

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chas variable acceleration

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dmoves in a circle

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View Answer has zero acceleration

Area under velocity time graph represent_____________________?


aforce

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bdisplacement

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cdistance

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dacceleration

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View Answer displacement

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