Question # 1

A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?

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108 g

10.8 g

0.8 g

108/0.8 g

When two protons are brought closer potential energy of both of them:

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Increases

Decreases

Remains same

None of these

The SI unit of capacitance is

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Farad

Henry

Ohm

Volt

Real gases strictly obey gas law at:

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High pressure and low temperatures

Low pressures and high temperatures

High pressures and high temperatures

None of these

What must be changing when a body is accelerating uniformly?

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the force acting on a body

the velocity of the body

the mass of the body

the speed of the body

The range ofβ-particle in air is greater than that ofα-particle by

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1000 times

100 times

15 times

10 times

The device which allows only the flow of an A.C. through a circuit is

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Capacitor

Inductor

D.C. motor

Battery

To display a digit of EIGHT, the number of ON LED'S are:

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Two

Three

Five

Seven

Eight

The work done on the system by the environment is considered as

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positive

negative

zero

any one of them

When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be

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180 watt

10 watt

20 watt

60 watt

The strength of magnetic field at certain points around a wire depends upon:

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Value of current passing

Distance from the current element

Color of the material

Both (A) and (B)

Both (B) and (C)

Examples of an adiabatic process is

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Burst of tyre

Cloud formation in the atmosphere

Rapid expansion and compression of air in sound waves

All of these

If we keep the moment arm constant and increase the applied force, then the torque will

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remain the same

decrease

increase

all of them

A line whose tangent at each point is in the direction of an electric intensity at that point is called

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Charge

Voltage

Electric force

None of these

In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:

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Bright

Dark

Any of A or B

None of these

At systolic pressure, at the point the first surges of blood flow through the narrow stricture produces

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High flow speed

Sound heard

Initially turbulent

All of these

The projectile attains maximum horizontal range when it is projected at an angle of

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30°

45°

60°

75°

The high blood pressure is known as

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Diastolic

Systolic

High blood pressure

None of these

The dimension stands for the nature of a physical quantity which is

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Quantitative

uantitative

Numerical

None of these

As the droplet accelerates the net force acing on it is

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Increase

Decreases

Zero

None of these

In a cubic crystal, all the sides meet at:

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60°

90°

109°

30°

10°

A collision in which the K.E. is not conserved is called

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Elastic collision

Inelastic collisiion

Both

None of these

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