Question # 1

In graph referenc epoint is taken as.

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Origin

x-axis

variable

coordinates

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

The numebr .00580 is scientific notation is.

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5 .80 x 10⁵

5 .80 x 10^-4

5 .80 x 10^-3

5 .80 x 10^-2

In SI units, the value of gravitational constant 'G' is

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6.673 x 10-9 Nm2 kg-2

6.673 x 10-10 Nm2 kg-2

6.673 x 10-11 Nm2 kg-2

6.673 x 10-12 Nm2 kg-2

Convection of heat is the process of heat transfer due to the

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Random motion of molecules

Downward movement of molecules

Upward movement of molecules

Free movement of molecules

................ causes coastal breeze.

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Conduction

Convection

Radiation

Nil

The centre of gravity of hollow cylinder is the middle point on its:

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Curved side

axis

Bottom

On upper side

Which law of motion is called law of inertia:

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first law of motion

Second law of motion

Third law of motion

Law of conversation of momentum

The force with which earth attracts a body towards its center is equal to its

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Mass

Weight

Charge

Radius

the to and fro motion of a body about its mean positionis called.

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Circular motion

Random motion

Rotatory motion

Vibratory motion

Which of the following is a vector quantity?

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Distance

Power

Speed

Displacement

The main source of energy n the universe is:

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Moon

Stars

Sun

Planets

The temperature if steam is

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0°C

100°C

273°C

-273°C

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