Question # 1

The pressure exerted by the gas is

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directly proportional to the P.E

inversely proportional to the P.E

inversely proportional to the K.E

directly proportional to the K.E

A vector which has magnitude 'one' is called:

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Resultant vector

A unit vector

Position vector

None of these

When angular acceleration is positive, the body rotates:

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Slower

Slowest

Faster

None of these

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

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deuterium

protium

tritium

none of these

The term Brownian movement refers to

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irregular motions of small particles suspended in a fluid

convection currents in a liquid or gas

convection currents in a gas but not in a liquid

the stretching of a body beyond its elastic limit

For making cooking utensils, which of the following pairs of properties is most suited?

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Low specific heat and high conductivity

Low specific heat and low conductivity

High specific heat and high conductivity

High specific heat and low conductivity

When the bob of simple pendulum is at extreme position, its K.E. will be

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maximum

minimum

zero

all of them

Referring to above figure, current in the coil P grows from zero to its maximum value:

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At the instant the switch is closed

At the instant the switch is opened

When switch is kept open

All of above

Neither of above

In a cubic crystal, All solids meet at:

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60^o

90^o

109^o

30^o

10^o

If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are

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n/AL

Al/n

nAL

nA/L

Maximum work is done when force and displacement are

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Parallel

Antiparallel

Perpendicular

Both a and b

Trajectory of projectile is

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Ellipse

Hyperbola

Parabola

None of these

Einsteins theory gives us a physical picture of how gravity

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Created

Produced

Works

None of these

Monochromatic light directly means waves of

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Same frequency

Same color

Same wavelength

All of them

Which is constant for a satellite in orbit?

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Velocity

K.E.

Angular Momentum

Potential Energy

The discuss used by athletes has a mass of 1 kg, its weight in newtons is

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9.8 N

80 N

98 N

100 N

The work done in moving a positive charge of two coulombs from one point to another point when the potential difference between them is 5 volt.

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5 Joules

10 Joules

15 Joules

20 Joules

In the Newton's ring, as we proceed towards the periphery of the lens, the thickness of air film

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gradually decreases

gradually increases

suddenly becomes zero

all of them

The acceleration of a motor car is 8 m/s².If the diameter of its wheel be 2 metre,its angular acceleration will be

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8 m/s²

8 radian /s²

16 m/s²

16 radian/s²

Two bodies with kinetic energies in the ratio 4 : 1 are moving with equal linear momentum.The ratio of their masses is

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1 : 2

1 : 1

4 : 1

1 : 4

Is the Gravitational force is conservative ?

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Yes

No

A little

None of these

The junction potential for Germanium is;

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3v

0.3 v

7v

0.7 v

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