Question # 1

The maximum displacement of a body on either side of its equilibrium position is called

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frequency

amplitude

displacement

time period

The law of conservation of mass gives us the

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equation of continuity

Bernoulli's theorem

both of them

none of them

The electrons in the outermost shell of an atom are called

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core electrons

valence electrons

high energy electrons

none of them

Good absorbers of heat are

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Poor emitters

Non emitters

Good emitters

Highly polarized

Body which falls freely under gravity provides good example of motion under:

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Uniform acceleration

Non-uniform acceleration

Uniform velocity

None of these

Work done along a closed path in a gravitational field is:

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Maximum

Minimum

Zero

Unity

Improper biasing of a transistor circuit produces

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Heavy loading of emitter current

Distortion in the output signal

Excessive heat at collector terminal

Faulty location of load line

When a conductor moved with its length parallel to the lines of magnetic fled:

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An emf is induced across its ends

Emf induced is similar to that of a battery

Emf passes through the conductor

Both A and B

None of these

First law of thermodynamics is consequence of conservation of

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Work

Energy

Heat

All of these

The vibratory or oscillatory motion of a body is

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translatory motion

back and forth motion about its mean position

free all motion

circular motion

The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:

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Equal to

Greater than

Smaller than

None of these

Bouncing off the squash ball several times from wall bears

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Total displacement

Average displacement

No displacement

None of these

Thick tar and honey have

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Small coefficient of viscosities

Large coefficient of viscosities

Zero coefficient of viscosities

Moderate coefficient of viscosities

If 5000 lines per cm are ruled on different on a diffraction grating then the slit spacing will be

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5 x 10^-3A°

2 x 10^-4A°

5 x 10^-5A°

2 x 10⁴A°

Angular momentum of a particle is

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Parallel to its linear momentum

Perpendicular to its linear momentum

Inclined to its linear momentum

A scalar quantity

A wire can support a load W without breaking. It is cut into two equal parts. The maximum load that each part can support is:

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W/4

W/2

W

2 W

Electromagnetic waves emitted by hot bodies are called:

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Photoelectrons

Alpha rats

Thermal radiation

None of these

The kinetic energy of a body is four times its momentum its velocity is

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2ms^-1

4ms^-1

8ms^-1

16ms^-1

Three bodies are of masses m₁= 2.2 kg, m₂ = 10.02 g and m₃ = 10.01 g, the sum of their masses up to the appropriate is

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2.2 kg

2.203 kg

2.023 kg

2.0202 kg

A single converging lens placed close to the eye to see magnified image is called

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A telescope

Compound microscope

Simple microscope

None of these

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