Question # 1

In which process the condition for the application of Boyle's law on the gas is fulfilled

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isochoric process

adiabatic process

isothermal process

none of them

Angle between the ray of light and the corresponding wavefront is:

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0°

60°

90°

120°

A fuse wire is having 5 ampere current rating. What is the peak value of current it can have?

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0.7074 A

7.07 A

0.0707 A

7.707 A

Significant figures in 0.0010 are

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Four

Three

Two

One

Energy required by an electron revolving in certain orbit to jump to an excited state is called:

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Ionization energy

Ionization potential

Excitation energy

Excitation potential

None of these

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

When the total displacement is divided by total time taken, we get:

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Velocity

Average speed

Average velocity

None of these

An axis of rotation

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Is a straight line

Is normal to the plane of rotation

Passes through pivot point O

All of them

When a platinum wire is heated, it appears white at

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1600°C

900°C

1100°C

1300°C

The phenomenon of generation of induced emf is called

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Electrostatic induction

Magnetic induction

Electromagnetic induction

Electric induction

Both (A) and (D)

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

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deformation

stretching

compressing

elasticity

Which one of the following is an optically active substance?

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Quartz crystal

Calcite crystal

Sugar solution

All of these

According to the first condition for equilibrium, the vector sum of all the forces acting on a body must be equal to

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The maximum value

The minimum value

A negative value

Zero

Velocity is a

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Scalar quantity

vector quantity

constant quantity

none of them

Steradian is an angle of

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One dimensional angle

Two dimensional angle

Three dimensional angle

None of these

The amorphous material (solids) have

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No structure

No melting point

No definite shape

All of them

When the length and area of cross-section both are doubled, then its resistance:

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Will become half

Will remain the same

Will be doubled

Will become four times

Unit of impulse in

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Newton

Kg m

Kg m/s

Joule

The blood flow is laminar at

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Normal blood pressure

Systolic blood pressure

Diastolic blood pressure

High blood presure

The maximum size of an object as seen by the naked eye is obtained when it is placed of

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Far point

Near point

Distant point None of these

A long solenoid has 20 turns/ cm. The current necessary to produce a magnetic field of 20 mellites inside the solenoid is approximately:

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1A

2A

4A

8A

Vectors are those physical quantities which requires

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Magnitude

Magnitude and directions

Direction

None of these

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