Question # 1

When two protons are brought are brought closer potential energy of both of them:

Choose an answer

Increases

Decreases

Remains same

None of these

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Choose an answer

3 s

5 s

7 s

9 s

Conventionally the angular velocity is directed at an angle of

Choose an answer

90° to the axis of rotation

30° to the axis of rotation

0° to the axis of rotation

None of the above

Capacitance of two or more capacitors

Choose an answer

Increases in series combination

Increases in parallel combination

Remains unchanged

None of the above

An airplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground, at point B. The distance AB is

Choose an answer

1200 m

0.33 km

3.33 km

33 km

A real gas can be approximated to an ideal gas at

Choose an answer

Low density

High pressure

High density

Low temperature

A solar cell converts energy of the Sun into:

Choose an answer

Heat energy

Magnetic energy

Light energy

Sound energy

Such oscillations in which the amplitude decreases steadily with time, are called

Choose an answer

resonance

force oscillations

large oscillations

damped oscillations

A resistance used in galvanometer to make it voltmeter is called

Choose an answer

shunt resistance

high resistance

zero resistance

none of these

The obvious effect/s of current is/are:

Choose an answer

Heating effect

Magnetic effect

Chemical effect

Both (C) and (B)

All of these

A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance

Choose an answer

Increase k time

Decreases k times

Decreases 1/K times

Remains unchanged

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Choose an answer

Decreasing from zero to maximum

Increasing from zero to maximum

Decreasing from maximum to zero

Increasing from maximum to zero

Both (A) and (D)

A body moving with an acceleration of 5 m/sec²started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

Choose an answer

150 m

250 m

350 m

400 m

Fidelity refers to

Choose an answer

Reproduction of original sound

Reproduction of original image

Reproduction of music

Reproduction of a CD from original copy

The passage of current is accompanied by a magnetic field in the surrounding space:

Choose an answer

Always accompanied

Sometimes accompanied

Never accompanied

Any of above

None of these

Michael Faraday is known by his work on

Choose an answer

Nuclear strong force

Gravitational force

Nuclear weak force

Electric force

None of these

Field lines are closer to each other in the region where the filed is

Choose an answer

Stronger

Weaker

Much weaker

Absent

None of these

The least distance of distinct vision is:

Choose an answer

10 cm

25 cm

50 cm

100 cm

The torque per unit twist of coil is called

Choose an answer

proportionality constant

gravitational constant

boltzman constant

coupling constant

With the help of 50 K v electron microscope, a resolution of

Choose an answer

0.5 to 1 m to possible

1 m to 10 m is possible

0.5 to 1 nm is possible

1 to 10 nm is possible

Examples of moderators used in a fission reactor is/are:

Choose an answer

Water

Heavy water

Carbon

Hydrocarbon

All of these

Photons must have energy equal to

Choose an answer

ev

En

hf

None of these

The bonding between the semi-conductor materials is

Choose an answer

covalent

ionic

either of them

none of them

Since the absolute scale is independent of the property of the working substance, hence, can be applied at

Choose an answer

very high temperature

very low temperature

any one of them

none of them

A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:

Choose an answer

0.05 m

0.08 m

0.8 m

0.008 m

Which of the following diode is used for the detection of light

Choose an answer

photo diode

light emitting diode

photo voltaic cell

all of them

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Choose an answer

maximum speed

zero speed

maximum speed

none of them

Resistance of a conductor is increased, the currant will

Choose an answer

Decrease

Increase

Remain the same

None of these

The charged nucleus of an atom itself spins its magnetic field

Choose an answer

equal to the field produced by orbital electrons

greater than the field produced by orbital electrons

much weaker than the field produced by orbital electrons

none of these

Which one of the following waves belongs to electromagnetic spectrum

Choose an answer

Radio and TV waves

Radar waves

Micro waves

All of them

Work is product of:

Choose an answer

Force and velocity

Heat and energy

Force and displacement

None of these

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