Question # 1

The dimension of linear inertia is:

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MLT²

ML°T^-2

ML°T°

MLT^-1

The S.I unit of frequency is

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Vibrations s^-2

Ms^-1

Hertz

s^-1

For a parallel resonant circuit at resonance, current from supply is

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minimum

maximum

zero

none of these

The vector in space has:

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One component

Two components

Three components

None of these

Hydrogen atom with only one proton in its nucleus, and one electron in its orbit is called

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deuteron

deterium

protium

tritium

Work done in lower and bucket into the well is:

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Zero

Positive

Negative

None of these

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

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100 m/sec

140 m/sec

1960 m/sec

196 m/sec

Electrons are

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positive charged

negatively charged

massless

neutral

With increase of temperature, the viscosity of liquid and gases

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Increases for both

Decreases for both

Increases for liquids and decreases for gases

Decreases for liquids and increases for gases

An electric field is generated along the wire when:

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Its resistance is very high

A constant potential is maintained across the wire

Net current through the wire is zero

A constant potential difference is maintained across the wire

Either (A) or (D)

The transitions of electrons in the hydrogen atom result in the emission of spectral lies in the:

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Ultra red region

Visible region

Ultraviolet region

Any of these

None of these

The capacity of two way telephone circuits of INTESAT VI satellite is circuits

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10, 000

20,000

30,000

40,000

Two bodies of mass 1 kg and 2kg have equal momentum.Then the ratio of their kinetic energies is

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2 : 1

3 : 1

1 : 3

1 : 1

If g is the acceleration due to gravity on the surface of the earth, then the value of the acceleration due to gravity at height equal to R/2 from the surface of earth is (R is the radius of the earth)

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g/2

2/3 g

4/9 g

5/9 g

Light and heavy bodies have equal K.E, then which one has greater momentum

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The heavy body

The light body

Both

Cannot be said

In the thin film, the path difference between the two reflecting waves depends upon

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thickness of film

nature of film

angle of incidence

all of them

Bernoulli s equation is the basis of law of conservation of

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Energy

Mass

Charge

Momentum

An electric room radiator, which operates at 50V has resistance of 50 Ω. Power of the radiator is approximately:

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100W

50W

450W

1000W

Assuming the earth to be a sphere of radius 6400 km. What is the value of acceleration due to gravity at a height of 800 km above the surface of the earth ?

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5.35 ms^-1

6.35 ms^-2

7.35 ms^-2

8.35 ms^-2

The product of pressure P and volume V of an ideal gas is

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Constant

Approximately equal to the universal gas constant

Directly proportional to its temperature

Inversely proportional to its temperature

In full wave rectification, the output DC voltage across the load is obtained for.

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The positive half cycle of input AC only

The negative half cycle of input AC

The completes cycle of input AC only

All of the above

One radian is equal to

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360^o/π

58^o

57^o

57.3^o

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