Question # 1

The damping depends upon the

Choose an answer

amplitude

sharpness

both of them

none of them

The time rate of change of displacement is called:

Choose an answer

Time

Acceleration

Speed

Velocity

A typical rocket ejects the burnt gases at speeds over

Choose an answer

400 ms^-1

40000m s^-1

40000 ms^-1

60000 ms^-1

Photoelectrons are emitted when ultraviolet light falls on:

Choose an answer

Casium

Silver

Potassium

Any of these

None of these

Magnetic effect of current is used:

Choose an answer

In electric motor

To detect current

To measure current

All of these

None of these

The e/m of an electron moving in a circular path in a magnetic field is equal to

Choose an answer

V/Br

V/B²r²

V²/Br²

V²/Br

The magnifier forms a virtual image of the object at:

Choose an answer

Least distance of distinct vision

Much farther than the least distance

Both A and B are correct

None of these

Xerography means:

Choose an answer

Dry writing

Wet writing

Poor writing

Excellent writing

Both (A) and (B)

Tick the correct statement:

Choose an answer

Both the potential and potential difference is scalars

Potential is a scalar but potential difference is a vector

Both are vectors

Potential is vector but potential difference is scalar

None of these

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Choose an answer

Decreasing from zero to maximum

Increasing from zero to maximum

Decreasing from maximum to zero

Increasing from maximum to zero

Both (A) and (D)

Consider a spherical shell of metal at he centre of which a positive point charge is kept

Choose an answer

The electric filed is zero outside the shell

The electric field is zero everywhere

The electric field is zero in the region inside the shell

The electric field is non-zero in both regions outside and inside the shell

When m₂>> m₁and V_{2 = 0 then result of their velocities}

Choose an answer

V₂= 0 and V₁= V'₁

V'₁= -V₁and V'₂= 0

V₁= V₁and V₂= 0

None of these

Torque of a force is a vector quantity, its direction is determined by

Choose an answer

Right hand rule

Knowing the direction of F

Knowing the position of origin

none of these

The magnetism produced by electrons within an atom is due to

Choose an answer

Spin motion

Orbital motion

Spin and orbital motion

None of these

Two boats rowing close to one another tend to collide.This is due to the

Choose an answer

Air velocity between the narrow gap increases

Pressure between the narrow gap decreases

Both A and B

None

For full wave rectification, the minimum number of diodes used is:

Choose an answer

1

2

3

4

All possible process/processes to get plane polarized light

Choose an answer

Reflection from different surfaces

Refraction through crystals

Scattering by small particles

All of these

A positive charge is moved from a low potential point (A) to a high potential point (B) Then the electric potential energy

Choose an answer

Increases

Decreases

Will remain the same

Nothing definite can be predicted

The product of pressure P and volume V of an ideal gas is

Choose an answer

Constant

Approximately equal to the universal gas constant

Directly proportional to its temperature

Inversely proportional to its temperature

Choose an answer

1.02 x 10^-3ms^-1

0.12 x 10^-3ms^-1

1.1 ms^-1

1.21 ms^-1

S.I unit of stress is

Choose an answer

N/m

N m

Nm^-2

newton

Newtons first law of motion says a body will

Choose an answer

Remains at rest

Continuous move to with uniform velocity

Have no unbalanced external force act

All 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