Question # 1

The angle of projection for which its maximum height and horizontal range are equal

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46 ^o

56^o

66^o

76^o

the shortest distance between two points is called.

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Speed

Acceleration

Distance

Displacement

Rate of change of velocity is called

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Speed

Acceleration

Displacement

Torque

In the absence of air resistance the acceleration of a body will be

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Uniform

Variable

Instantaneous

None of these

Unit of acceleration is

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ms-1

ms

ms-2

m2s

The shape of trajectory of short range projectile is

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Straight line

Circle

Elliptical

Parabolic

A collision in which K.E. of the system is not conserved is

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Elastic collision

Inelastic collision

3rd low of motion

None of these

Kg ms-1 can also be written as

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Nm

Ns

Ns-1

Js

If the initial velocity of a projectile becomes doubled, the time of fight will be.

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Same

4 times

Double

3 times

A paratooper moves downward with

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Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

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11th Class Part 1 Physics Chapter 3 Test Online MCQs With Answers

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