Question # 1

S.I unit of young's modulus is:

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Nm

Nm^-1

Nm^-2

Nm^-3

The SI unite of density is

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gcm-3

gm-3

gdm-3

kgm-3

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

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F = 30N

F= =31N

F = 32N

F = 29N

Tensile strain produces the change in the object.

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Length

Volume

Area

Density

According to Archimedes principle the density of a substance is determined by using formula

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D = w1/w2 + w1 x p

D = w1w2/w2- w1 x p

D = w1/w2 - w1 x p

D = w1w2/w2- w1 x p

Newton per meter square is a unit of:

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Pressure

Stress

Both A and B

Force

Unit of strain is:

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Nm^-2

Nm

N

No unit

Minor but rapid change in atmospheric pressure cause:

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Poor condition

Intense condition

Windy condition

Pleasant condition

Liquid pressure at depth h is:

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p/gh

h/pg

pgh

i/pgh

The unit of density is:

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kg^-1 m^-3

kg m^-1

kgm^-3

kgm^-2

The deforming force is called _______________

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Stress

Strain

Young's Modulus

Nil

The braking system of cars, buses etc also works on

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Newton's law

Pascal law

Faraday law

Bohr's law

Highly conducting state of matter is:

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Solid

Liquid

Gas

Plasma

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