Question # 1

The pattern of NaCl particles have a shape which is :

Choose an answer

Cubic

Body centred cubic

Simple cubic

face centred

Both (A) and (C)

The electric flux through any surface depends upon:

Choose an answer

Intensity of electric field

Area of the surface

Angle between intensity and area

All of these

None of these

If 2.2 kilowatt power is transmitted through 1 10 ohm line at 22000 volt, the power loss in the form of heat will be

Choose an answer

0.1 watt

1 watt

10 watt

100 watt

Glass is an example of

Choose an answer

crystalline solid

amorphous solid

polymeric solid

none of them

The energy acquired by a mass of 1g moving with the speed of light is

Choose an answer

3 x 10⁸J

9 x 10¹³J

3 x 10¹³J

9 x 10¹⁶J

Work done along a closed path in a gravitational field is:

Choose an answer

Maximum

Minimum

Zero

Unity

Slope of velocity time graph represents:

Choose an answer

Acceleration

Speed

Torque

Work

The types of mechanical energy is/are:

Choose an answer

Kinetic energy

Potential energy

Both of these

None of these

The general theory of relativity treats problems involving

Choose an answer

inertial frame of references

accelerating frame of references

both of these

none of these

The substances which break just after the elastic limit is reached, are known as

Choose an answer

brittle substances

ductile substances

plastic substances

elastic substances

The density of blood is nearly equal to that of

Choose an answer

mercury

sodium

water

honey

The unit of work in CGS system is

Choose an answer

Joule

Erg

Dyne

Watt

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when

Choose an answer

q = Q/4

q = Q/2

q = !

None of these

The ohm's is defined as

Choose an answer

1 ampere / 1 volts

1 coulomb / 1 volt

1 volt / 1 ampere

1 volt / 1 coulomb

Resistance of a conductor is increased, the currant will

Choose an answer

Decrease

Increase

Remain the same

None of these

Stoke;s law is not applicable when the speed of the object moving through a fluid is:

Choose an answer

Zero

Small

Large

None of these

The distance from eye to near point is taken as:

Choose an answer

10 cm

15 cm

20 cm

25 cm

The direction of induced current is always so as to oppose the cause which produces it. This is

Choose an answer

Lenz's law

Ampere's law

Faraday's law

Coulomb's law

None of these

Generally a temperature scale is established by using certain physical properties of a material which varies

Choose an answer

nonlinearly with temperature

linearly with temperature

either of them

none of them

The distance covered by a body in unit time is called.

Choose an answer

Displacement

speed

Velocity

Both B and C

Referring to above figure, due to change in current in the coil P, the change in magnetic flux

Choose an answer

Is associated with coil P

Is associated with coil S

Causes and induced current in coil S

All of these

None of these

The pointer of a magnetic compass:

Choose an answer

Is affected only by permanent magnets

Align itself parallel to the applied magnetic field

Vibrates in the magnetic field of the current

Aligns itself perpendicular to the magnetic field

Both (C) and (D)

Ultraviolet region lies in ______ series

Choose an answer

Layman

Balmer

P fund

B racket

A convex lens acts as diverging lens when the object is placed:

Choose an answer

Between F and 2F

At 2F

With focal length

Beyond 2F

The vast majority of solids are in the form of

Choose an answer

amorphous structure

polymeric structure

crystalline structure

all of them

The restoring force is ______ and opposite tot he applied force within ______

Choose an answer

Equal, Elastic limit

Different, The walls of the laboratory

Different, Elastic limit

None of these

The process of formation of spectrum is called:

Choose an answer

Interference

Spectroscopy

Dispersion

Reflection

Botha (A) and (D)

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

Choose an answer

mgh

Its wight

Weight X height

Zero

The obvious effect/s of current is/are:

Choose an answer

Heating effect

Magnetic effect

Chemical effect

Both (C) and (B)

All of these

The fourth band is a:

Choose an answer

Silver band

Red band

Gold band

Either A or C

Either A or B

The blood pressure of a person

Choose an answer

decrease with age

increase with age

has no effect with age

none of them

More Classes

Other Links

ECAT Pre General Science Physics Online Test 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

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