Question # 1

The quantity have dimension of ML²T⁰²will have SI unit of:

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Watt

Newton

Joule

Metre

The unit of flux density is also given by

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Weber/m²or Wb . m^-2

Weber/mor Wb . m

Weber/mor Wb . m^-1

Weber or Wb

When angular acceleration is positive, the body rotates:

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Slower

Slowest

Faster

None of these

There is no way to detect:

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Absolute uniform motion

Accelerated motion

State rest

State of motion

None of these

There is certain frequency below which no electrons are emitted from the metal surface, this frequency is known as

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maximum frequency

minimum frequency

threshold frequency

all of these

Static electricity is produced by the transfer of:

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Electrons

Protons

One fluid

Two fluid

None of these

The emf is measured in:

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Newton

Volt

J/C

Both A and B

Both B and C

Computer chips are made from:

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Iron

Silicon

Helium

Stontium

Aluminium

Teh consumption of energy by a 1000 watt heater in half an hour is:

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5 Kwh

0.5 Kwh

2.5 Kwh

3.2 Kwh

The electric field lines start from:

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Positive charge

Negative charge

Either A and B

Neutron

An atom

The bands below the valence band are

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completely filled and play active part in conduction process

completely filled and plays no part in conduction process

completely filled and play active part in conduction process

not completely filled and play no part in conduction process

In time of flight, the body the covers the distance

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Maximum

Zero

Minimum

None of these

A second pendulum is mounted in a rocket.Its period of oscillation decreases when the rocket

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Comes down with uniform acceleration

Moves round the earth in a geostationary orbit

Moves up with a uniform velocity

Moves up with uniform acceleration

Is Boyle's law is applicable, to the isothermal process

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No

Yes

Some what applicable

None of these

For a monochromatic light passing from air to glass, which one of the following statement is true?

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Frequency and wavelength decreases

Frequency increases and wavelength decreases

Frequency stays same, wavelength increases

Frequency stays the same, wavelength decreases

The motion in a plane is the motion in

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one dimensions

two dimensional

three dimensional

all of them

The whole range of colour printing uses just

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4 colours

3 colours

2 colours

Red, blue, gray

Which of the following properties show light is transverse wave in nature?

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Interference

Reflection

Diffraction

Polarization

The ability of body to return to its original shape is called

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Elasticity

Stress

Strain

Shear

a constant force F is applied to keep the particle moving with uniform velocity V.Then the power required is

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1/2 FV²

FV²

FV

F/V

In an inertial frame of reference the weight of body equal to

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Force of attraction

Coulomb's force

Force of gravity

All of these

Torque acting on a body determines its

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inertia

linear acceleration

angular acceleration

angular velocity

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