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

For a rocket , the change in momentum per second of the ejecting gases is equal.

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Acceleration of the rocket

Momentum of rocket

Velocity of rocket

Thrust acting on rocket

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

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Maximum

Positive

Zero

Negative

Rate of change of velocity is called

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Speed

Acceleration

Displacement

Torque

An immediate source of energy for our body is:

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mango

Glucose

mushroom

meat

A paratooper moves downward with

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Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

The ballistic missiles are used only for

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Long range

Short range

Medium range

Constant range

The dimensional unit of impulse is.

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[MLT]

[MLT-1]

[ML-1T-1]

[M-1L-1T-1]

The rate of change of momentum is equal to

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Impulse

Torque

Velocity

Force

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

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

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Zero

Equal to gravity

Maximum

Constant

Average acceleration is a

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Scalar quantity

Vector quantity

(-) ve quantity

None of these

A bullet shot straight up, return to its starting point in 10 sec. Its initial speed was

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9.8 ms-1

24.5 ms-1

49 ms-1

98 ms-1

The mass of an object is quantitative measure 0 its

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Momentum

Acceleration

Inertia

Energy

When the body moves with constant acceleration the velocity time graph is

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Parabola

Hyperbola

Straight line

Curve

Inertia may expressed in

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Kg

Newton

Watt

Joule

The horizontal component of velocity of projectile

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Increases

Decreases

Remain same

Decreases and then increases

The velocity of a projectile is maximum

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At the highest point

At point of launching and just before striking the ground

At half of the height

After striking the ground

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Physics English Medium Fsc Part 1 Chapter 3 Online MCQs Test MCQs With Answers

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