Question # 1

When ever the path difference between the waves is integral multiple of half the wavelength, interference will be

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Constructive

Destructive

(-)ve

(+) ve

The velocity of a projectile is maximum

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At the highest point

At point of launching and just before striking the ground

At half of the height

After striking the ground

The dimension of viscosity are

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[M2L-2T2]

[M-1LT-1]

[M-1L-1T]

[ML-1T-1]

Sound waves can not be

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Reflected

Refracted

Polarized

Diffracted

The direction of null vector can be

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(+) ve

(-) ve

Arbitrary

Zero

A quantity which indicates the state and direction of a vibrating body is known as

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Time period

Amplitude

Phase

Frequency

The unit of work in base unit is

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Kg m-1 sec-2

Kgm sec-2

Kgm2 sec-1

Kgm-1 sec-1

Heat is form of.

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Power

Momentum

Energy

Torque

When the projectile reaches the highest point of trajectory, the vertical component of velocity becomes.

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Small

Zero

Maximum

Vi cos

Change of momentum is equal to

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Force

Tension

Impulse

Pressure

Which quantity of the following is dimensionless.

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Angular velocity

Centripetal force

Angular acceleration

Angular displacement

When the amplitude of a wave is increase to doubled is energy.

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Remain the same

Increases 4 times

Increases by two times

Decreases by half

International Telecommunication satellite

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4,6,8 and 10 Hz

4,6,11 and 14 GHz

4,6,8 and 12 Hz

4,8,11 and 16 GHz

No of spark plugs needed in the diesel engine are.

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0

1

2

3

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The value of angular momentum is maximum when 0 is

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90^o

60^o

75^o

45^o

The units of magnifying power of microscope or telescope are.

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Metre

m^-1

dioptre

No unit

Angle between ray of light and wave front is

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0 ^o

60 ^o

90 ^o

120 ^o

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Physics ICS Part 1 Full Book Mcq's Online Test MCQs With Answers

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