Question # 1

How many components are there of a solar heating system?

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2

3

4

5

The motion of a body about an axis is called.

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Random motion

Vibratory motion

Rotatory motion

Circular motion

The unit of heat capacity is:

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Jkg k

JK^-1

Jkg^-1K

J^-1kg^-1K^-1

In kelvin scale, lower reference point is:

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273 K

373 K

180 K

100 K

The energy stored in coal is

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Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

The radius R of the earth is:

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6 x 10¹⁸m

6.4 x 10⁶m

6.4 x 10⁸m

6.4 x 10¹²m

The gravitational field exist _________ the earth.

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One direction

Upward

All aorund

Downward

The pressure of liquid is given by

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pg V

pg A

pgh

pg

A large water reservoir keeps the temperature of nearby land moderate due to

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Low temperature of water

Low specific heat of water

Less absorption of heat

Large specific heat of water

Kgms^-2 is equal to:

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Joule

Mole

Newton

Watt

Dependent quantities are taken on

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x - axis

-ve x -axis

y-axis

- y-axis

Leslie cube have faces:

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2

3

4

5

Degree of hotness or coldness of the body is called:

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Heat capacity

Thermal conductivity

Heat

Temperture

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