Question # 1

The diver spins faster when moment of inertia becomes.

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smaller

Greater

Constant

Zero

Value of triple point of water is given as.

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Zero K

100 K

273.16 K

373.16 K

The magnitude of A will be

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Zero

A²

1

A

If 20 waves passes through he medium in 2 sec of 10 ms-1 then he wavelength is.

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200 m

2 m

1 m

0.5 m

The regular or steady flow of fluid is called

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Stream line

Turbulent flow

Average flow

None of these

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

According to Newton, sound travels in air under conditions of.

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Adiabatic

Isothermal

Isobaric

Isochoric

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

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 relation between linear and angular velocity is

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Which of the following is mechanical wave

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Heat

Light

Sound

None of these

The study of fluid dynamics is

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Easy

Complicated

Impossible

None of these

The path followed by a projectile in known as its

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Range

Trajectory

Cycle

Height

Rate of change of displacement is called

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Speed

Velocity

Kinetic energy

None of these

The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

The periodic variations of sound between maximum and minimum loudness are called.

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Doppler's effect

reflection

Laplace correction

Beats

The largest satellite system is managed by

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116 countries

126 countries

136 countries

140 countries

One complete round trip of a vibrating body is called.

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Frequency

Time period

Vibration

Amplitude

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