Question # 1

Significant figures in 0.0010 are

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Four

Three

Two

One

The ratio of average e.m.f in the coil tot he time rate of change of current in the same coil is called

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Mutual induction

Mutual inductance

Capacitance

Self inductance

The S.I unit of frequency is

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Vibrations s^-2

Ms^-1

Hertz

s^-1

The SI unit of capacitance is

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Farad

Henry

Ohm

Volt

The branch of physics, which deals with the structure an properties of solids is called:

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Plasma physics

Solid state physics

Any of above

Astro physics

The time of flight of a projectile motion equal to

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half of the time to reach maximum height

twice the time to reach maximum height

one fourth of time to reach maximum height

time to reach maximum height

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

Addition of 2.189 kg, 11.8 kg and 5.32 kg gives the rounded off answer as:

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19.398

19.400

19.4

19.3

A square loop of wire is moving through a uniform magnetic field. The normal to the loop is oriented parallel to the magnetic field. The emf induced in the loop is:

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Zero

Of smaller magnitude

Of larger magnitude

Sometimes B, sometimes C

Neither of these

In the above figures, tell which set is graphs shows that a body is moving uniform velocity:

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(i) and (ii)

(ii) and (iii)

(i) and (iii)

(ii) and (iv)

Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?

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potential energy

pressure energy

strain energy

(a) and (b) only

Newton's rings are formed due to

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Refraction of light

Diffraction of light

Interference of light

None of these

What is the main cause of the shinning of diamond?

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Reflection

Refraction

Total internal reflection

Dispersion of light

A tall chimney has the advantage/advantages

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Reduce top pressure

Force

Upward flow of smoke

All of these

The term torque is synonymous with

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Moment of force

Moment of inertia

Angular momentum

Pressure

For interference to occur,the interfering beams of light must be

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Of different frequencies

Coherent

White light

Added

The unit of surface energy per unit area may be expressed as

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Nm^-2

Nm^-1

Nm

Nm²

G.P Thomson revealed:

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Particle nature of electron

Dual nature of electron

Wave nature of electron

Electromagnetic nature of electron

The velocity-time graph is a horizontal straight line when the velocity of the car is

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zero

constant

decreasing

increasing

The value of g at the center of earth is:

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Double

Zero

10 time larger than earth

Infinite

In electromagnetic waves electric and magnetic field ar

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Parallel

Antiparallel

Perpendicular

Sometimes parallel sometimes perpendicular

The total magnification of a combination of two lenses having individual magnification M1 and M2 is

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M₁+ M₂

M₁M₂

M₁- M₂

M₁/ M₂

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