Question # 1

A rotating wheel accelerates up to the value of 0.75 rev/sec²after 2 seconds of its start. Its angular velocity becomes:

Choose an answer

9.42 rad/sec

2.6 rev/sec

1.5 rev/sec

Both A and C

Work is a:

Choose an answer

Scalar quantity

Vector quantity

Base quantity

None of these

A non-inertial frame of reference is that frame of reference in which

Choose an answer

a = 0

a > 0 or a < 0

v = 0

none of them

At what temperature the adiabatic change is equivalent to the isothermal change?

Choose an answer

Zero degree Celsius

Zero Kelvin

Critical temperature

Above critical temperature

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

Which one is the least multiple

Choose an answer

Pico

Femto

Nano

Atto

The unit of intensity of electric field is

Choose an answer

newton/coluomb

jule/coluomb

volt x metre

newton/metre

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Choose an answer

changed

zero

unchanged

none of these

Electrostatics is the branch of physics which deals with the study of electro charges:

Choose an answer

At rest

At rest under the action of electric forces

In motion under the action of electric forces

In motion

At rest under the action of nuclear forces

For the virtual image, option _______ is not correct:

Choose an answer

1/p = 1/f -1/q

1/f = 1/p -1/q

1/p=1/p-1/f

1/p=1/f+1/q

The unit of resistance is

Choose an answer

volt

ampere

ohm

coat

The number 1678.9 should be written in scientific notation as

Choose an answer

16.789 × 10³

1.6789 × 10³

1678.9 × 10³

None of these

Planck's constant has the dimensions of:

Choose an answer

Energy

Momentum

Frequency

Angular momentun

The high-tensile steel used to support the roadway of a suspension bridge breaks under a stress of 2 x 10⁹Pa. Find the minimum cross-sectional area for a cable if it is to support a load of mass 2 x 10⁵kg.

(g = 10 N kg^-1)

Choose an answer

10^-2m²

10^-1m²

10^-4m²

10^-3m²

The amorphous material (solids) have

Choose an answer

No structure

No melting point

No definite shape

All of them

The ‘emf ’ is always even when no current is drawn through the battery of the cell:

Choose an answer

Zero

Present

Absent

Maximum

Newton's rings are formed due to

Choose an answer

Refraction of light

Diffraction of light

Interference of light

None of these

Light appears to travels in straight lines since

Choose an answer

It is not absorbed by the atmosphere

It is reflected by the atmosphere

Its wavelength is very small

Its velocity is very large

Capacitor is a device use to store the

Choose an answer

A.C. current

D.C. current

Charge

Voltage

A satellite communication system can be set up the geo-stationary orbits are

Choose an answer

2

3

5

1

The angular momentum is a vector quantity with due

Choose an answer

Perpendicular to the axis of rotation

Along the axis of rotation

At the axis of rotation

None of these

In an interference pattern of Ypung's double Slit (YDS) experiment:

Choose an answer

Bright fringes are wider than dark fringes

Dark fringes are wider than bright fringes

Both dark and bright fringes are of equal width

Central fringes are wider than the outer fringes

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