Question # 1

To and from motion of a body about its mean position is known as:

Choose an answer

Translatory motion

Vibratory motion

Rotatory motion

None of these

The waves produced in a microwave oven have frequency

Choose an answer

2450 Hz

2450 K Hz

2450 M Hz

2450 G Hz

Conventionally, all the distance p, q, f are measured from _____ of the lens:

Choose an answer

Focus

Optical center

Edges

None of these

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Choose an answer

Circular motion, circumference

Vibrator, chord

SHM, diameter

SHM, circumference

If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get

Choose an answer

diffraction

beat

interference

resonance

Progressive waves of frequency 300 Hz are superimposed in produced a system of stationary waves in which adjacent nodes are 1.5 m apart. What is the speed of the progressive waves?

Choose an answer

100 ms^-1

200 ms^-1

450 ms^-1

900 ms^-1

The space around the earth in which its gravitational force acts on a body is called

Choose an answer

Electric Field

Gravitational field

Magnetic field

Conservative field

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Choose an answer

2500 MHz

0.25 MHz

2500 KHz

None of these

Uncertainty is of following type/types:

Choose an answer

Absolute

Fractional

Percentage

All of these

The concept of field theory was put forward by

Choose an answer

Franklin

Kepler

Oersted

Michael Faraday

The value of the input resistance of OP-AMP is of the order of

Choose an answer

few ohms

few hundred ohms

several kilo ohms

several maga ohms

Moment of linear momentum is called.

Choose an answer

Moment arm

Moment of inertia

Inertia

Angular momentum

In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of

Choose an answer

0.1 m

0.2 m

0.98 m

Full length of the capillary tube

The motion of a projectile is

Choose an answer

one dimension

two dimension

three dimension

all of them

The earth's potential is taken as

Choose an answer

Negative

Positive

Zero

Infinite

The pressure exerted by the gas is

Choose an answer

directly proportional to the P.E

inversely proportional to the P.E

inversely proportional to the K.E

directly proportional to the K.E

Which one of the following has larger value of relative permitivity E_rat room temperature?

Choose an answer

Vaccum

Air

Glass

Water

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Choose an answer

10 m/sec²

20 m/sec²

30 m/sec²

Zero

Acceleration of a body is positive, if the velocity of the body is

Choose an answer

constant

increasing

decreasing

none of them

The amplitude of oscillation of each atom in a metallic crystal rises with the

Choose an answer

rise in temperature

decrease in temperature

even temperature remains constant

all of them

The decrease in velocity per unit time is called

Choose an answer

deceleration

acceleration

uniform acceleration

variable acceleration

When a silicon crystal is doped with a pentavalent element, such an extrinsic semi-conductor is called

Choose an answer

p-type semi-conductor

n-type semi-conductor

either of them

none of them

In a cubic crystal, All solids meet at:

Choose an answer

60^o

90^o

109^o

30^o

10^o

In frequency modulation (FM), the carrier waves amplitude

Choose an answer

Remains constant

Increase

Decreases

None of these

When there is no relative motion between the magnet and coil, the galvanometer indicates:

Choose an answer

No current in circuit

An increasing current

A decreasing current

Either B or C

The quantity F x t is called as

Choose an answer

momentum

velocity

acceleration

impulse

Which one of the following is dimensionless:

Choose an answer

Acceleration

Velocity

Density

Angle

Bernoulli's equation is based upon law of conservation

Choose an answer

Mass

Momentum

Energy

None of these

The machines which deals with the objects moving with velocities approaching that of light is called:

Choose an answer

Relativistic mechanics

Wave mechanics

Quantum

Statics mechanics

The SI unit of magnetic induction is

Choose an answer

Gauses

Tesla

Weber

Weber²

An alpha particle has a charge of

Choose an answer

+2e

-2e

-e

+3e

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