Question # 1

Birds are able to fly on ____________

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Radiations

Thermals

Air

Layers

Sin 45^ois

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0.707

0.5

1

0.2

Metals are good conductors of heat due to :

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Free electrons

Big size of molecules

Small size of molecules

None of these

S.I unit of young's modulus is:

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Nm

Nm^-1

Nm^-2

Nm^-3

The example of bad conductor is:

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Wool

Copper

Gold

Iron

The fastest bird falcon has speed.

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100 kmh^-1

200 kmh^-1

300 kmh^-1

400 kmh^-1

_____________ easily undo bolt?

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Long spanner

Medium

Short spanner

Every spanner

There are types of thermometer:

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1

2

3

4

The motion of the rider in Ferris wheel is.

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Vibratory

Translatory

Rotatory

Linear

What flower is known as natural thermometer?

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Rose

Barasicca

Crocus

Tulip

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

When a force of 4 Newton is applied on a body of mass 2 kg, the acceleration produced in it will be:

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2 ms^-2

4 ms^-2

8 ms^-2

6 ms^-2

The unit of gravitational constnat is:

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Nm² kg

Nm²kg^-2

Nm²kg^-1

N - m²

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