Question # 1

In rotational motion, the analogue of force is.

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moment of inertia

Moment of force

Torque

Rotational inertia

A voltmeter is a

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High resistance galvanometer

Low resistance galvanometer

Zero resistance galvanometer

Infinite resistance galvanometer

How much lce will melt by 50,000 J of heat.

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120 J

130 g

140 J

150 g

Which is the famous standard model of the universe.

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the big bang

Casmos

Astronaut

The small stap

Time period of a simple pendulum depends upon.

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Thickness of the thread

Mass of the pendulum

Length of the pendulum

Amplitude of vibration

The mass of an helium nucleus is equal to.

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2.0015 u

3.0015 u

4.0015 u

5.0015 u

Two sources of sound are said to be in resonance when.

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They look like similar

They produce sound of same frequency

They are enacted by the same agent

They differ from each other

Two convex lens focal length 'f' use din combination become telescope. When the distance between them is.

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1

4f

2f

f/2

How does heat transfer between objects.

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From cold to hot objects

From hot to cold objects

By electromagnetic radiations

From hotter to hottest objects.

With which factor disputative power of a grating increases.

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Order of spectrum

Number of lines per centimeter

Order and number of lines per centimeter

Shape of the grating

As the mass number increases, the binding energy per nucleon in a nucleus

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Increases

Decreases

Remain constant

Varies in a way that depends upon A

When temperature increases, frequency of an organ pipe

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Decreases

Increases

Remain the same

Become zero

The energy stored per unit volume inside the solenoid is called.

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Energy density

Mass density

Charge density

Volume density

The power dissipation in a pure inductive or capacitive circuit is.

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Maximum

Minimum

Zero

Infinity

When transistor works as an amplifier, its output is.

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More

Less

Zero

Directly proportional to the input

The pascal is not the SI derived unit of.

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Pressure

Stress

work

Tensile strength

The best instrument used for the measurement of emf of a cell a

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A voltimeter

An ammeter

A potentiometer

Wheatstone bridge

The circuit of full wave rectification consists of

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Only one diode

Two diodes

Three diodes

Four diodes

Supplementary units radian and steradian were established for

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Density

Viscosity

electric intensity

Geometrical quantities

When ever a system is made to complete a cyclic process the work done during the complete cycle.

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Is zero

Is negative

Is positive

Depends upon the path followed

The mechanical equivalent of heat

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Has the same dimension as heat

Has the same dimension as work

Has the same dimensions as energy

Is dimensionless

The ionization energy for hydrogen atom is

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-11.6 eV

-12.6 eV

-13.6 eV

-19.6 eV

Which of the following remains unaffected in a magnetic field.

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a particles

b partciles

gama particles

Electrons

Which of the following is standard scale of temperature

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Mercury scale

Platinum resistance scale

Gas scale

Alcohol scale

When a charged rod is brought near bits of dry cork dust The dust will.

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Cling firmly to rod

Be replied from the rod

Attract itself to the rod a first and then fly off

Be repelled at first and then be drawn to the rod

In a diffraction pattern, the width of any fringe

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Is directly proportional to slit width

Is inversely proportional to slit with

Has no dependence on slit width

Is zero

Temperature of a gas is related to.

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Total K.E. of the gas molecules

The K.E. of the centre of mass of the gas

The P.E. of the centre of mass of the gas

Total K.E. of the molecules w.r.t the centre of mass of gas

The permittivity of a medium.

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Is a measure of the density

Is equal to unity for air

Depends on the charge derisory of the medium

Determines the magnitude of an electric field that can be established by the medium

When an arrow is shot from a bow, it has K.E. which is given to it by

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The elongated tail

The stretched string of bow

The throw of archer

The sharp arrows head

One of the device to produce plane polarized light is.

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A prism

A bi prism

A plane mirror

A nicol prism

A charged particles moving in a magnetic field experiences a resultant force.

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Proportional to its K.E.

In the direction of the field

In the direction opposite to its motion

In the direction perpendicular to both the field and its motion

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