Question # 1

One newton is a force that produces an acceleration of 0.5 m/sec²in a body of mass:

Choose an answer

2 kg

3 kg

4 kg

8 kg

Most of the geysers occur in:

Choose an answer

Volcanic regions

Magnetic regions

Northern region

None of these

Which quantity has the same units as impulse

Choose an answer

force

work

linear momentum

acceleration

The whole shape of the black body spectrum for all wavelengths was explained by the formula proposed by

Choose an answer

Max plank

Newton

Einstein

J.J. Thomson

Change in momentum is one second called.

Choose an answer

Impulse

Force

Energy

Work

When weight of an object falling freely becomes equal to the drag force, then the body will move with

Choose an answer

increasing speed

decreasing speed

constant speed

none of them

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

Choose an answer

Increases

Decreases

Remains same

None of these

In the expression F x t, the force F is

Choose an answer

total force

instantaneous force

average force

all of them

Magnetic lines of force:

Choose an answer

Cannot intersect at all

Intersect at infinity

Intersect within magnet

Intersect at Neutral Point

None of these

At constant temperature, if the density of the gas is increased, its pressure will:

Choose an answer

One kg of a substance

Unit volume of a substance

One mole of a substance

None of these

The value of escape velocity of Earth planet comes out to be:

Choose an answer

11 m/sec

11 km/sec

11 km/hour

11 cm/sec

A longitudinal sinusoidal wave has wavelength of 1cm and a period of 2sec. Its wavevelocity is:

Choose an answer

50 cm/ sec

0.5 cm/ sec

5 m/ s

0.005 m/ sec

A bar of length L, cross-section A and Young's modulus Y, is pulled by a force F from both ends so as to produce an elongation x. Then:

Choose an answer

x∝1/L

x∝A

x∝1/A

x∝Y

The smallest portion of a crystal lattice that if repeated in three-dimensions will generate the entire lattice is called:

Choose an answer

Unit cell

Lattice plane

Crystal

None of these

Who devise the experimental arrangement in 1801 for studying interference effects of light

Choose an answer

Huygen

Young

Newton

None of these

Which of the following statements about angular momentums is correct?

Choose an answer

Angular momentum remains conserved

Angular momentum is the product of moment of inertia and angular velocity

Moment of inertia is directly proportional to angular momentum for constant angular speed

All of these

The energy due to all the fossil fuels on the Earth is so small that, the energy reaching Earth in just days of sunlight which is

Choose an answer

5 days

10 days

30 dyas

60 days

The advantage/advantages of fiber optics than radio wave carriers

Choose an answer

Much wider band width

Capability

Immunity

All of these

What is the time taken by light to travel 4 mm in a material of refractive index 3

Choose an answer

4 x 10^-11 s

2 x 10^-11 s

16 x 10^-11 s

8 x 10^-11 s

The product of force times the perpendicular distance between some point and the line of action of the force is

Choose an answer

The moment of inertia action on it

The moment of force about the chosen point

The angular momentum of the body

None of these

Stress change the shape, volume or length of a body due to the

Choose an answer

Applied force

External force

Force

Force on unit area

Angular magnification of a simple microscope is given as

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