Question # 1

Distance covered by freely falling downward body in first second.

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5 m

29.4 m

10 m

19.6 m

The velocity of freely falling bbodies moving upward.

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Decreases

Increases

Constnat

zero

A change in position from point A to B is called.

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Distance

Velocity

Speed

Displacements

The quantities that are completely decribed by only magnitude are.

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vector

Scalar

Base

Derived

A train is moving at a speed 36 kmh^-1 Its speed expressed in ms^-1

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10 ms^-1

20 ms^-1

25m ms^-1

30 ms^-1

Paratrooper while coming down attains a velocity called.

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Variable velocity

Uniform velocity

Average velocity

Terminal velocity

When two bodies are in motion then the velocity of one body relative to the other is called.

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Relative velocity

Uniform velocity

Variable velocity

Average velocity

The velocity of bodies falling down

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Dwscreses

Increases

Zero

Constant

The motion of a body about an axis is called.

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Random motion

Vibratory motion

Rotatory motion

Circular motion

Rate of change of velocity is known as.

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Acceleration

Speed

Velocity

Distance

A body has translatory motion if it moves along a.

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Straight line

Curved path

Line without rotation

Circle

If an object is moving with constant speed then its distance time graph will be a straight line.

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Along time -axis

Along distance -axis

Inclined to time - axis

Parallel to time-axis

Independent quantities are taken on

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- x - axis

x -axis

-y-axis

y-axis

A car starts from rest. It acquires a speed of 25 ms^-1after 20 s. The distance moved by the car during this time is

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31.25 m

250 m

5000 m

500 m

The unit of velocity and speed is.

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ms

ms^-2

ms^-1

ms-3

The motion of a body is straight line is.

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Random motion

Linear motion

Translatory motion

Circular motion

Dependent quantities are taken on

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x - axis

-ve x -axis

y-axis

- y-axis

The motion of the rider in Ferris wheel is.

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Vibratory

Translatory

Rotatory

Linear

If the velocity of body decreases with time then acceleration will be.

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Positive

Negative

Variable

Uniform

If the velocity of body increases with time, the acceleration will be.

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Negative

Uniform

Positive

Variable

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Physics 9th Class English Medium Unit 2 Online Test MCQs With Answers

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