Question # 1

At which place the motion of a simple pendulum will be slowest.

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Karachi

K-2

Murree

Lahore

The density of blood is nearly equal to.

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Air

Milk

Honey

Water

The direction of angular acceleration is

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Along the axis of rotation

Perpendicular to the axis of rotation

Opposite to axis of rotation

None of these

Multimode step index fiber is useful for.

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Long distance

Sort distance

Very long distance

Infinite distance

If the tension a stretched string is made four times then the velocity of wave.

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Remains same

Is halved

Becomes twice

Becomes 4 times

Rate of change of velocity is called

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Speed

Acceleration

Displacement

Torque

Total change in momentum of an isolated system is

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Always (+) ve

Always (-) ve

Has maximum value

Zero

A man of mass 5 kg is falling freely, the fore acting on it will be

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5 N

9.8 N

19.6 N

49 N

Transformation of heat other forms of energy is discussed in

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Thermal physics

Thermodynamics

Atomic physics

Nuclear physics

The law of conservation of energy is the basis of.

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Stream line flow

Equation of continuity

Bernoulli's equation

Venture relation

Energy dissipated usually appears as

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P.E.

Heat Energy

Chemical energy

Nuclear Energy

The efficiency of heat engine whose sink is at 17 ^oC and source at 200 ^oC is.

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38%

63%

80%

90%

The number of spark plug needed in diesel engine is

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0

2

3

4

In which medium the speed of sound is greater.

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Oxygen

Air

Water

copper

The value of solar constant.

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1.4 kW m-2

1.0 kW m-2

1.6 kW m-2

2 kw m-2

More details of an object can be seen with a microscope by using

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Green light

Red light

Yellow light

Blue light

the angular version of F= ma is

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L = 1w

pi = 1a

l = pi a

f = mv/t

Reapters are placed in new system at distance of.

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30 km

50 km

80 km

100 km

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11th Class Part 1 Physics Test Online MCQs With Answers

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