Question # 1

Which is not an example of torque?

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Opening a nut

Door opening

Picking up a toy

All of them

Which of the following is non-renewable fossil fuel?

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Oil

Coal

Gas

All of these

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

Which instrument is most suitable to measure the internal diameter of a test tube.

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Metre rule

Vernier Callipers

Measuring tape

Screw gauge

S.I unit of young's modulus is:

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Nm

Nm^-1

Nm^-2

Nm^-3

Which of the following do not effect evaporation?

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Temperature

Wind

Volume

Surface area of liquid

Moon is nearly km away from the Earth:

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3,80,000 km

3800 km

3,80 km

38 km

In prefix form, 0.000001 would be expressed as.

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0.1 mm

0.01 mm

0.001 mm

0.0001 mm

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

The velocity of geostationary satellites with respect to Earth is

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Vo

2Vo

Zero

1/2 Vo

The radius R of Earth is

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6.4 x 106 m

6.4 x 108 m

6.4 x 1010 m

6.4 x 1012 m

Tensile strain produces the change in the object.

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Length

Volume

Area

Density

Good conductor is :

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Air

Wood

Iron

None

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