Question # 1

The velocity of bodies falling down

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Dwscreses

Increases

Zero

Constant

Displacement is a quantity.

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Scalar

Vector

Both a and b

None of these

A straight line parallel to time-axis ona distance -time graph tells that the object is.

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Moving with constant speed

In motion

At rest

Moving with variable speed

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

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 freely falling bbodies moving upward.

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Decreases

Increases

Constnat

zero

The unit of acceleration is.

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ms-1

ms

ms^-2

ms²

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

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