Question # 1

Inertial mass and gravitational mass are

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Opposite

Proportional

Weights

Inversely proportional

For maximum range angle of projection of the projectile should be

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45 ^o

90^o

120 ^o

180 ^o

With the increase of temperature, teh pitch of an organ pipe

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Increase

Descrease

Remain the same

May increase or decrease

X-ray are

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Streams of negatively charted particles.

Electromagnetic wave

Streams of positively charged particles

Visible light

The force of friction that comes into action after the motion has started

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Static friction

Dynamic friction

Friction only

Limiting friction

When a wire moves perpendicularly to a magnetic field, the induced emf does ot depends upon

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The velocity of the wire

The resistance of the wire

The flux density of the magnetic

The orientation of the wire field

Binding energy per nucleon is.

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Greatest for heavy nuclei

Least for heavy nuclei

Greatest for light nuclei

Greatest for medium weight nuclei

Positive electric charge is the type of charge found on a rod which has been rubbed with silk and which is made of.

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rubber

Glass

Steel

Cork

When the lift is moving upward with an acceleration then weight of the object will be.

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w = ma

w - ma

w

2 w

When the deforming force applied on a body produces change in shape, thenit is said t be

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Tensile stress

Compression stress

Shear stress

Shear modulus

The half life of a radioactive substance as compared to its mean lif eis.

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30%

50%

70%

90%

Lenz's presented his law is

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1826

1829

1834

1839

The advantage of electron tube over semiconductor is.

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_{its efficiency}

its unlimited type

Its low consumption power

That it takes no warming up time

How solid hydrogen is obtained.

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By cascade process

By joule kelvin effect

By adiabatic expansion

Lowering temperature below melting point

When amplitude of a wave becomes double its energy becomes.

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Xero

Double

4 times

6 times

In order to reduce uncertainty in momentum one must use light of.

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Short wavelength

Large wavelength

Wavelength of intermediate value

Wavelength of any value

Compton's effect was presented in.

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1921

1923

1931

1933

Amorphous solids are also called

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Crystalline solids

Glassy solide

super conductors

Polymeric solids

Sub atomic paticles whihc does not experience strong nuclear force are.

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hadrons

Photons

Leptons

Nucleons

The dimensions of moment of inertia are

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[ML2]

[MLT-1]

[ML2T-1]

[ML-1T-2]

Larger the diameter of the objective of a telescope.

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Greater is its resolving power

Lesser is its resolving power

Lesser is its magnifying power

greater is its magnifying power

A transistor consists of.

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One p-n junction

Two p-n junctions

Three p-n junctions

Four p-n junction

The dioptre power of concave lens of 10 cm focal length is.

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0.1 dioptre

1.0 diopter

10 dioptre

-10 dioptre

When the battery is being charged its terminal potential difference than its emf is.

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Less

Greater

Double

Squared root

What is the triple point of water.

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273 .15 K

0 K

100 K

0 oC

Total internal reflection occurs when the angle of incidence is.

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Greater than the angle of refraction

Equal to the critical angle

Greater than the critical angle

Greater than 45^o

When a person holding a pall is moving in the forward direction, the work done on the pall is

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Positive

Negative

Zero

Equal to gravity

Which one of the following telescopes has the least length when set for parallel rays.

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Astronomical telescope

Galileo's telescope

Terrestrial telescope

Reflecting telescope

For the angular momentum of a system to remains constant, the external torque should be

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small

Large

Neither small nor large

zero

A number of spherical capacitors of different radii have same potentials The surface charge density on them

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I equal

Is proportional to their radii

Is inversely proportional to their radii

Is inversely proportional to square of their radii

The combined effect of resistance and reactance's in A.C. circuit is called.

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Resistance

Conductance

Choke

Impedance

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