Question # 1

____________ from sun are major source of energy on earth.

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Light

Radiation

Both a & b

None of these

Least count of digital stop watch is.

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0.01 sec

0.1 sec

1 sec

10 sec

Specific heat for iron in joule per kilogram per kelvin is:

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387

920

470

903

Dependent quantities are taken on

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x - axis

-ve x -axis

y-axis

- y-axis

Breaking system in vehicles depends upon:

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Pascal's law

Hook's law

Archimedes law

Principle of floatation

Which surface is bad emitter:

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White surface

Black surface

Coloured surface

Silver surface

Cos 0°=

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0.5

1

0.866

0

In measurement 1.032 numbers of significant figure are.

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1

2

3

4

Two forces of 2N and 4N are acting in opposite directions, Their resultant force will be

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2 N

4 N

6 N

8 N

F_x= 4 N and F_y=3N what is F?

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5N

1.5 N

16 N

9 N

The force with which Earth attracts the object towards its center is known as

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Force

Weight

Mass

Gravity

Land breeze from land to sea during:

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Day

Night

Afternoon

Morning

A couple is formed by:

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two forces perpendicular to each other

Two like parallel forces

To equal and opposite forces in the same line.

Two equal and opposite forces not in the same line

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