Question # 1

Information carrying capacity of optical fibre called.

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Capacity

Band width

Immunity

Ability

The work done will be maximum when angle between F and d.

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180^o

0^o

90^o

60^o

The unit of rotational K.E. is

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rAD/SEC

Js

J

Kgm2

If an object lies at focus point F in front of a converd lens, its image is formed at.

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2F

F

3F

Infinity

The tides raise in the sea roughly

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Once a day

Twice a day

Three a day

Four time a day

A fog droplets are in freely falling condition,. the ratio of their radii is 2:3, the ratio of their terminal velocities will be.

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2:3

4:6

4:9

9:4

A₁b₁= A₂b₂represents

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Stock's law

Newton's law

Equation of continuity

Brenoulli's equation

the work done in isochoric process is.

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Constant

Variable

Zero

Depend upon condition

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

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50 N

0 N

25 N

10 N

the distance covered during one vibration of an oscillating body in terms of amplitude 'A' is

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A/2

A

2A

4A

Pi radian is equal to.

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0^o

90^o

180^o

57.3^o

A force of 100 N makes on angle of 60^owith y axis, its horizontal component is.

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50 N

60 N

70.7 N

86.6 N

The mass of an object is quantitative measure 0 its

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Momentum

Acceleration

Inertia

Energy

For angular momentum of system to remain constant, external torque should be.

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Small

Large

Zero

None

Work is negative when angle between F and d is

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45^o

₀^o

90^o

180^o

Which one is true for isothermal process.

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Q = 0

W = 0

Q = W(D) Delta U = 0

None of these

The term in Bernoulli's equation has the same unit as

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Work

Volume

Pressure

Force

The unit of solar light inversely is

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Watt

kW m-2

Watt m-2

1 m2

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