Question # 1

Which one is non renewable source of energy.

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Hydro electric

Bio mass

Tides

Oil

The internal energy of system does not depend on

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Temperature

Pressure

Path

Final and initial state

The frictional force is

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Conservative force

Non conservative force

Electric force

Magnetic force

Wavelength of a wave for closed pipe having length 'l' in the fundamental mode is.

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2 l

1/2

4 l

l

A spring has a spring constant k. If it is cut in two equal parts, the spring constant of each part will be

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K

2 K

K/2

4K

The value of angular momentum is maximum when 0 is

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90^o

60^o

75^o

45^o

An oscillating mass-spring system produces

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Sound waves

Electromagnetic waves

Light waves

Periodic waves

The resultant of two forces 30 N and 40 N acting parallel to each other is.

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30 N

40 N

70 N

10 N

The ballistic missiles are used only for

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Long range

Short range

Medium range

Constant range

Using a graded Index fibre, the time difference is reduced to about.

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1 ns per km

33 ns per 100 km

33 ns per km

1 ns per 100 km

If r = 5 m and f = 4 N are along same direction, them torque is

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20 Nm

5 Nm

10 Nm

Zero

A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is.

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5 N

500 N

50 N

5000 N

The unsteady flow of a fluid is called

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Stream line

Turbulent flow

Average flow

Viscous flow

A cycle of petrol engine undergoes

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Two process

Three process

Four process

single process

2 radian = ____

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2 m

4 m

57.3 m

114.6 m

If velocity time graph is parallel to time axis, then acceleration of moving body will be.

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Maximum

Positive

Zero

Negative

In rotational motion the torque is equal to rate of change of

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Angular velocity

Linear momentum

Angular momentum

Angular acceleration

The formula for the power is

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P= W/d

P=W/v

P=W/t

P=Wt

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11th Class Part 1 Physics Test Online MCQs With Answers

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