Question # 1

The mechanism of transports energy of all the waves is

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Different

Same

Complicated

Easy

Angular acceleration is produced by

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Power

Torque

Pressure

Force

The term in Bernoulli's equation has the same unit as

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Work

Volume

Pressure

Force

In rotational motion the torque is equal to rate of change of

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Angular velocity

Linear momentum

Angular momentum

Angular acceleration

The SI unit of work is

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Newton

Joule

Mol

Calorie

The error in speed of sound calculated by Newton at STP is about.

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0 %

14 %

15 %

16 %

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The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

Angular displacement is

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Scalar quantity

Vector quantity

Basic quantity

None of these

The area between velocity time graph and the time axis is numerically equal to.

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?Speed of object

Distance covered by the object

Average velocity of the object

Acceleration of the object.

The flow of a fluid is of

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One type

Two types

Three types

Four type

The word Fluid means

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To rise

To fall

To flow

To oppose

The value of a time period of allow flying satellite is

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1 year

84 minutes

28 hours

1 day

Which one of the following can not be polarized.

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Ultra violet rays

Radio waves

T.V. Waves

Sound waves

When distance is plotted against the force, it is taken along

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x-axis

y-axis

z-axis

None of these

Hot igneous rocks, usually in molten or partly molten state are found in the depth of

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5 km

10 km

15 km

20 km

The maximum velocity necessary to put a satellite into orbit is

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7.1 kms-1

7.3 kms-1

7.9 kms-1

8,9 kms-1

The efficiency of heat engine whose sink is at 17 ^oC and source at 200 ^oC is.

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38%

63%

80%

90%

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11th Class Part 1 Physics Test Online MCQs With Answers

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