Question # 1

the louder the sound, the greater will be its.

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Speed

Frequency

Amplitude

Wave length

A direction of torque is

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Along the position vector r

Perpendicular to both r and f

Along the direction of force F

Opposite to the direction of r

Information carrying capacity of optical fibre called.

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Capacity

Band width

Immunity

Ability

A finite volume of gas consists of

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Small no. of molecules

Large no. of molecule

Average no. of molecule

None of these

A bat finding its correct location by sending

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Matter waves

Ultrasonic waves

Infrasonic waves

electromagnetic waves

Image formed by a concave lens is

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Real

Virtual

Erect

None of these

INTELSAT VI satellite operates at microwave frequencies of.

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2,4,6,10 GHz

4,6,11 and 14 MHz

4,6,11 and 14 GHz

2,4,6 AND 14 GHz

Who did give the correct formula for the speed of sound in air?

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Boyle

Laplace

Newton

Einstein

Increase in the velocity of sound in air for 1 ^oC rise in temperature is.

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61 ms-1

0.61 ms-1

161 ms-1

261 ms-1

The speed of sound in air does not depend upon

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Temperature

Pressure

Density

Medium

The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

The blue colour of sky is due to

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diffraction

Reflection

Polarization

Scattering

Work has dimension lime

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Torque

Momentum

Velocity

Power

A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is.

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1 m

0.5 m

4 m

2 m

An object of mass 1 kg moving with acceleration 0 1 ms-2 will experience a force of.

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10^-2 N

10^-3 N

1 N

1 dyne

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

when a ball is throng straight up, the acceleration at its highest point is.

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Upward

Down ward

Zero

Horizontal

One complete round trip of a body is called

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Displacement

Time period

Vibration

Frequency

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Physics Fsc Part 1 Online Test MCQs With Answers

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