Question # 1

Crystalline solids are in the form of:

Choose an answer

Metals

Ionic Compounds

Ceramics

Both (A) and (B)

All of these

A beam of electrons is provided by an

Choose an answer

electron gun

Suppray

Injection

None of these

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

Choose an answer

Increasing by a factor of 2

Decreasing by a factor of 2

Decreasing by a factor of 4

Unchanged

Rutherford performed an experiment on nuclear reactions in:

Choose an answer

1718 A.D

1818 A.D

1918 A.D

2001 A.D.

1701 A.D.

The work performed on an object does not depend on

Choose an answer

Force applied

Angle at which force is inclined to the displacement

Initial velocity of the object

Displacement

Which are not the elementary particles?

Choose an answer

Photons

Leptons

Hadrons

Quarks

None of these

A heavily damped system has a fairly

Choose an answer

sharp resonance curve

flat resonance curve

both of them

none of them

The curie temperature of iron is about

Choose an answer

250°C

500°C

750°C

1000°C

Each atom in metal crystal:

Choose an answer

Remains fixed

Vibrates about a fixed point

Moves randomly

Rotates about center of a crystal

None of these

Which of the following is a state variable

Choose an answer

entropy

pressure

volume

all of them

Above the curie temperature, iron becomes

Choose an answer

ferromagnetic

paramagnetic

diamagnetic

any one of them

In a uniform circular motion

Choose an answer

Velocity and acceleration remain constant

Kinetic energy remain constant

Speed and acceleration change

Only velocity change acceleration remain constant

When the deformation produced in the material becomes permanent, this type of behaviour is called

Choose an answer

proportionality

elasticity

plasticity

none of them

The fractional effect between layers of following fluid is

Choose an answer

Viscosity of fluid

Velocity of fluid

Acceleration of fluid

Pressure of fluid

The idea of light as wave produced by

Choose an answer

Huygen

Newton

Thomos Young

Michelson

Due to dispersion effects, white light source is useful for

Choose an answer

Long distance

Short distance

Very long distances

None of these

Which of the given elements is a diamagnetic material

Choose an answer

Antimony

Bismuth

Copper

All of these

Velocity time graph can never be perpendicular to time axis,it implies

Choose an answer

Zero acceleration

Zero velocity

Infinite acceleration

Zero displacement

A small metallic sphere is dropped in a long jar of honey, it will move as

Choose an answer

Float in jar

It will move with g

Fall with acceleration less than g

Grain terminal velocity

Experimental demonstration of wave nature of light was given in 1801 by:

Choose an answer

Newton

Maxwell

Thomas young

Compton

According to Young s experiment if frequency of light used is halved then fringe width becomes

Choose an answer

2/3

Double

Remains constant

Fringe

Newtons first law of motion is also known as

Choose an answer

Law of motion

Law of mechanics

Law of inertia

None of these

More Classes

Other Links

Physics General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer