Question # 1

A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:

Choose an answer

Minimum Work

Maximum Work

Zero Work

Negative Work

Second's pendulum is the pendulum whose time period is:

Choose an answer

1 second

2 second

3 second

None of these

Lorentz force is defined as

Choose an answer

q(E + V x B)

q(E x B + V)

q(E x V + B)

q(E x B)

The intensity of emitted energy (with wavelength) radiated from a black body at different temperatures was initially measured by:

Choose an answer

Lummer

Planck

Pringsheim

Both (A ) and (B)

Both (A) and (C)

Position was discovered by Carl Anderson in

Choose an answer

1920

1925

1928

1932

Which of the following is a characteristic of an ideal fluid?

Choose an answer

it is non-viscous

it is incompressible

it's motion is steady

all of the above

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

In all natural processes where heat flows from one system to another, there is always a net

Choose an answer

decrease in entropy

increase in entropy

decrease or increase in entropy

none of them

When the conductor moved across a magnetic field:

Choose an answer

Emf induced is similar to that of a battery

Emf induced gives rise to induced current

An emf induced across its ends

All are correct

None of these

Victor de-Brogile received the Nobel prize in physics in

Choose an answer

1925

1929

1932

1935

Work is always done on a body when:

Choose an answer

A force acts on it

It moves through certain distance

None of A and B is correct

Both A and B is correct

The acceleration of a body at some particular instant is called

Choose an answer

Initial acceleration

Variable acceleration

Instantaneous acceleration

None of these

A capacitor is a perfect insulator for electric

Choose an answer

Direct current

Alternating current

Charge

None of these

The pressure P of a gas at constant temperature varies with its density P

Choose an answer

Directly

Inversely

Equal

None of these

Choose an answer

1750 Nm^-2

1980 Nm^-2

1975 Nm^-2

1999 Nm^-2

Torque is zero if

Choose an answer

Moment arm is zero

Body is at rest

Uniform angular acceleration

None of these

Length can not be measured by

Choose an answer

Fermi

Debye

Micron

Light year

The weight of the body at the centre of the earth is.

Choose an answer

Infinite

Zero

Slightly less than that at the equator

Slightly more than that at the equator

When the object is closer to eye or near point, the image becomes

Choose an answer

Sharp

Clear visible

Blurred

None of these

In 420 days, the activity of a sample of polonium (Po) fell to one-eight of its initial value. The half-life of polonium is :

Choose an answer

140days

45days

87days

90days

An instrument called a sphygmomanometer measures

Choose an answer

Density of water

Blood pressure

Milk density

None of these

The charges are attracted when

Choose an answer

Two charges are alike

Two charges are opposite

All of them

None of these

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