Question # 1

Which of the substance is heaviest?

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Copper

Mercury

Aluminum

Lead

The density of water is:

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5500 kgm^-3

10000 kgm^-3

1000 kgm^-3

330 kgm^-3

The Young's Modulus of Rubber is:

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1.40 ×106 N/m2

1.6× 106 N/m2

1.4 × 107 N/m2

0.40 × 108 N/m2

Mass per unit volume is:

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Velocity

Work

Density

None

Hydro meter is used to measure:

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Pressure

Density

Area

Volume

S.I unit of pressure is Pascal which is equal to?

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10 Nm^-2

1 Nm^-2

10² Nm^-2

10³ Nm^-2

The braking system of cars, buses etc also works on

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Newton's law

Pascal law

Faraday law

Bohr's law

Which following works on Pascal's law?

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Screw gauge

Vernier callipers

Hydraulic press

Wedge

A gradual large increase in atmospheric pressure shows:

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Pleasant condition

Rainy condition

Intense condition

Winday condition

The unit of weather in map is :

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°C

°F

K

mbar

The unit of stress is:

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Newton

Pascal

Nm^-2

m³

Plasma exist in _______________

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Earth

Satellite

Moon

Sun

If K = 150 N/m and elasticity is 0.20 m than:

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F = 30N

F= =31N

F = 32N

F = 29N

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