Question # 1

The phase determines the

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displacement

amplitude

frequency

state of motion of vibrating body

A digital system deals with quantities or variables which have

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only one state

only two discrete states

three discrete states

four discrete states

The principle characteristics of an ideal standard are

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Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

The mass of the object is a quantities measure of its

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speed

velocity

acceleration

inertia

At low speeds, the drag force is

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proportional to speed

inversely proportional to speed

not simply proportional to speed

none of them

The characteristic of a body executing S.H.M is that its acceleration is

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inversely proportional to displacement

directly proportional to displacement

independent of displacement

equal to zero

When a nucleus emits an alpha particles, its charge number decreases by

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3

2

6

5

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

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10 m/sec²

20 m/sec²

30 m/sec²

Zero

β-particles are easily deflected by collisions than heavy

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α-particles

β-particles

γ-particles

none of these

The work done in moving a body between two points in a conservative field is independent of the

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Direction

Force applied

Path followed by the body

Power

The electrical forces between the molecules of a liquid are

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Repulsive

Attractive

Both A and B

None

The charged nucleus of an atom itself spins its magnetic field is

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Equal to the field produced by orbital electrons

Greater than the field produced by orbital electrons

Much weaker than the field produced by orbital electrons

Very strong

If A x B = B x A,then the angle between A and B is

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π

π/3

π/2

π/4

If the potential difference across the two plates of a capacitor is double, then its energy stored in will be

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2 times

5 times

4 times

Remains the same

Crystalline solids are in the form of:

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Metals

Ionic compounds

Ceramics

Both A and B

All of these

The method by which only one half of A.C cycle is converted into direct current is called

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half wave amplification

half wave rectification

Full wave rectification

full wave amplification

Unit of angular displacement is

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Degree

Revolution

Radian

All

Modulus elasticity of any materiel is of the order of:

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10⁵

10²

10^-2

10^-5

10^-10

The time rate of change of displacement is called

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Speed

Velocity

Acceleration

None of these

The effect of decrease in pressure with the increase in speed of the fluid in horizontal pipe is drive from

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Bernoulli's theorem

Venturi effect

Torricelli's theorem

Diastolic effect

In Young s double slit experiment if we use white light then

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Colored fringes will be observed

Bright fringes will be observed

Alternate dark and bright fringes will be observed

No interference fringes will be seen

The magnetic field due to the electric current in a conducting wire is:

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Towards the centre of the conducting wire

Circular around the conducting wire

In the direction of the electric current

In the direction opposite to the electric current

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