Question # 1

The ballistic missiles are used only for

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Long range

Short range

Medium range

Constant range

If velocity time graph is parallel to time axis, then acceleration of moving body will be.

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Maximum

Positive

Zero

Negative

Newton's laws of motion were published in

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1587

1687

1787

1887

The trajectory of a projectile is.

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Circle

Parabola

Hyperbola

Straight line

The rate of change of momentum is equal to

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Impulse

Torque

Velocity

Force

At what speed the momentum and kinetic energy of a body having the same.

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1 ms-1

2 ms-1

4 ms-1

8 ms-1

The time rate of change of momentum equals

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Weight

Applied force

Impulse

Mass

the acceleration along x -axis direction in case of projectile is.

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Zero

Equal to gravity

Maximum

Constant

The horizontal range of a projectile of 30^owith horizontal is same at an angle.

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40^o

45^o

90^o

60^o

A paratooper moves downward with

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Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

A mass of 1 kg is freely falling. The force of gravity is.

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1 N

9.8 N

0.5 N

Zero

Rate of change of displacement is called

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Speed

Velocity

Kinetic energy

None of these

The acceleration of a projectile along x axis is.

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Zero

Increase

Decrease

Equal to 'g'

When the projectile reaches the highest point of trajectory, the vertical component of velocity becomes.

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Small

Zero

Maximum

Vi cos

An athlete runs with a speed of 12 ms-1. Determine the longest jump he can undertake.

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12 m

14.4 m

24 m

16.2 m

Motion of projective is

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One dimensional

Two dimensional

Three dimensional

Four dimensional

In matter, the Atoms are in a state of never ending

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Motion

Rest

Change

State of decline

The motion and rest are

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Absolute

Relative

Mutual

All of these

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

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