Question # 1

There are some whose resistivity becomes zero below a certain temperature, called

Choose an answer

absolute zero

0°C

critical temperature

lower fixed point

A tube tapers from 20 cm diameter to 2 cm, the velocity at first cross-section is 50 ms^-1then velocity at second cross-section is

Choose an answer

5000 cms^-1

500 cms^-1

50 cms^-1

0.5 cm/s

One electron volt is equal to

Choose an answer

1.6 x 1019eV

6.25 x 1018 eV

1.6 x 1018 eV

6.25 x 1019eV

The decrease in velocity per unit time is called:

Choose an answer

Variable Acceleration

Average Acceleration

Retardation

None of these

The efficiency of diesel engine is

Choose an answer

25%

25 - 30%

35%

35 - 40%

Satellites are held in orbits around Earth by its:

Choose an answer

Gravitational field

Magnetic field

Own orbital motion

Own spin motion

The waves which propagate by the collision of material particles are known as

Choose an answer

e.m. waves

mechanical waves

light waves

microwaves

When a bicycle is in motion, the frictional forces exerted by the ground are

Choose an answer

In the forward direction on both the wheels

In the backward direction on both the wheels

In the forward direction on the front wheel and the backward direction on the rear wheel

In the backward direction on the front wheel and the forward direction on the rear wheel

When a wall is pushed by a person very strongly, he has done:

Choose an answer

Maximum work

Zero work

Positive work

Negative work

For an atom having atomic number Z and atomic weight A, the number of electron in an atoms

Choose an answer

A - Z

A + Z

Z

A

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

Choose an answer

45°

90°

135°

180°

According to Bernoulli s theorem velocity and pressure

Choose an answer

Are directly proportional

Are inversely proportional

Have no relation

Are equal

The body is in a state equilibrium when it is

Choose an answer

At rest

In motion

In rotation

None of these

Which of the following colors will have minimum critical angle when light passes from glass to air

Choose an answer

Red

Blue

yellow

Orange

Capacitor is a device use to store the

Choose an answer

A.C. current

D.C. current

Charge

Voltage

The velocity of efflux is 100 m/sec and area of hole is 0.06 cm²how much volume of water will flow out of hole in one second

Choose an answer

6.0 x 10-⁴m³

6.0m³

600m³

6.0cm³

If the error in the measurement radius of a sphere is 1% then the error in the measurement of volume will be

Choose an answer

8%

5%

3%

1%

If the slits in YDS experiment are made closer, fringe spacing will:

Choose an answer

Increase

Decrease

Remain same

None of above

nuclear physics deals with

Choose an answer

Atom

Atomic nuclei

Elementary particles

Light

The law of conservation is important in many sport like

Choose an answer

Diving

Gymnastics

Ice-skating

All of these

In super conductors, once the current is established it exists

Choose an answer

1 day

30 days

indefinitely

None of these

The maximum drag force on a falling sphere is 9.8 N, its weight is

Choose an answer

1 N

9.8 N

4.9 N

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