Question # 1

When a body is vibrating, the displacement from mean position

Choose an answer

Increases with time

Decreases with time

Changes with time

None of these

Newton published laws of motion in his famous book "principia" in

Choose an answer

1867

1667

1676

1687

A convex lens acts as diverging lens when the object is placed:

Choose an answer

Between F and 2F

At 2F

With focal length

Beyond 2F

X-rays produced in a tube operating at 10⁵V. The speed of X-rays produced is

Choose an answer

3 x 10⁸m/s

3.1 x 10⁸m/s

2.8 x 10⁸m/s

1.88 x 10⁸m/s

The quantity F x t is called as

Choose an answer

momentum

velocity

acceleration

impulse

Boyle's law is applicable in

Choose an answer

Isochoric process

Isothermal process

Isobaric process

Isotonic process

The product of force and time is called change in:

Choose an answer

Momentum

Impulse

Force

Both a and b

Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is

Choose an answer

11.0 ohm

1.0 ohm

7.0 ohm

3.0 ohm

An induced current can be produced by:

Choose an answer

Constant magnetic field

Changing magnetic field

Varying magnetic field

Constant electric field

None of these

Referring to above figure, current in the coil P grows from zero to its maximum value:

Choose an answer

At the instant the switch is closed

At the instant the switch is opened

When switch is kept open

All of above

Neither of above

Root out of the conventional source of energy:

Choose an answer

Energy from biomass

Hydroelectric energy

Geothermal energy

None of these

Force due to water flow in which the water of mass 'm' strikes the wall in time 't' then force F on the water is

Choose an answer

The photoelectric effect was explained by:

Choose an answer

Einstein

Davison

Hertz

Planck

The minimum number of unequal forces whose vector sum can be zero is

Choose an answer

3

2

1

4

Soap bubble looks colored due to

Choose an answer

Dispersion

Reflection

Interference

Any one of these

In thermodynamics, the change in internal energy depends upon:

Choose an answer

The path taken between initial and final states

The initial state only

The final state only

Initial and final states

For constructive interference the path difference is

Choose an answer

mλ

(m-1)λ

m²λ

1/2mλ

Coulomb's force is also

Choose an answer

Single force

Mutual force

Self force

None of these

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Choose an answer

No interference

Conductive interference

Destructive interference

None of these

The Permitivity ε_o of free space has the value in S.I. units is

Choose an answer

8.85 × 10^-10 C² N^-1 m^-2

8.85 × 10^-11 C² N^-1 m^-2

8.85 × 10^-12 C² N^-1 m^-2

8.85 × 10^-13 C² N^-1 m^-2

Bulk modulus for tungsten is

Choose an answer

50

100

150

200

Lead, copper and wrought iron are examples of

Choose an answer

brittle substances

ductile substances

plastic substances

elastic substances

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