Question # 1

An important part of photocopier is:

Choose an answer

Toner cartridge

Deflection plates

Charging electrode

Print head

None of these

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

Choose an answer

positive

negative

zero

any one of them

Magnetic flux and flux density are related by

Choose an answer

Flux density = flux x area

Flux density = flux / area

Flux density = flux - area

None of these

An induced current can be produced by:

Choose an answer

Constant magnetic field

Changing magnetic field

Varying magnetic field

Constant electric field

None of these

When the same object is viewed at a shorter distance, the image on the retina of the eye is _____ the so the object appears:

Choose an answer

Greater, smaller

Smaller, smaller

Smaller, larger

Greater, larger

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Choose an answer

its weight

tension in the string

viscous drag force by air

all of them

When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:

Choose an answer

Longitudinal waves

Transverse waves

Water waves

Complex waves

In order to have a constant current through wire, the potential difference across its end should:

Choose an answer

Be zero

Be maintained constant

Goes on increasing

Go on decreasing

Both (A) and (B)

One radian is:

Choose an answer

Greater than one degree

Less than one degree

Equal to one degree

None of these

Two forces each of 10 N act on a body, if the force are inclined at 30° and 60° respectively with x-axis, then x-component of their resultant is:

Choose an answer

20 N

13.66 N

10 N

8.66 N

The frequency of free vibrations is known as

Choose an answer

free frequency

forced frequency

natural frequency

un-natural frequency

An aircraft is moving with a velocity of 300 ms^-1. If all the forces acting on it are balanced, then

Choose an answer

It still moves with the same velocity

It will be just floating at the same point in space

It will be fall down instantaneously

It will lose its velocity gradually

One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is

Choose an answer

0.1 V

8 V

2 V

0.5 V

Density is defined as:

Choose an answer

Mass per volume

Volume per mass

Mass x volume

Mass per length

If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:

Choose an answer

250 N m^-1

25 N m^-1

2.5 N m^-1

None of these

The number if neutrons in the nucleus of ₉₂U²³⁵are

Choose an answer

Infinite

92

235

143

Which of the following does not have the same units:

Choose an answer

Work

Heat

Kinetic energy

Power

The current is measured in

Choose an answer

volts

watt

ampere

ohm

In the expression of force experienced by electron, the direction of both v and B are

Choose an answer

parallel

zero

perpendicular

none of them

The earth’s potential and potential at infinity are taken:

Choose an answer

Equal

Zero

First is greater than the second

Second is greater than the first

Both (A) and (B)

γ-rays behave like a particle because they explain the

Choose an answer

Compton effect

Photoelectric effect

Pair-production

all the above

When the bob of simple pendulum is at mean position, its K.E will be

Choose an answer

maximum

minimum

zero

all of them

According to the second law, which is must to produce work

Choose an answer

a source contains a large amount of heat energy

two sources at the same temperature

two sources at the different temperatures

a source contains a small amount of energy

Split rings act as

Choose an answer

Vibrator

Resistor

Motor

Commulator

The temperature scale approved in SI units is:

Choose an answer

Celsius scale

Kelvin scale

Fehrenheit scale

None of these

The length of rotating vector (on a certain scale) represents the:

Choose an answer

Peak value of alternating quantity

RMS value of alternating quantity

Instantaneous value of alternating quantity

Either (B) or (C)

Either (A) or (B)

The curie temperature of iron is about

Choose an answer

250°C

500°C

750°C

1000°C

The only significant motion possessed by the mono-atomic gas represented is:

Choose an answer

Translatory

Rotatory

Vibratory

None of these

The magnitude of chemical Effects depends upon:

Choose an answer

Nature of liquid

Quantity of Electricity passed through the liquid

Color of the liquid

Both (A) and (C)

Both (A) and (B)

Power is a :

Choose an answer

Vector quantity

Base quantity

Scalar quantity

None of these

Arsenic, antimony and phosphorus are the elements from

Choose an answer

third group

fourth group

fifth group

none of them

More Classes

Other Links

Physics ECAT Pre Engineering 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