Question # 1

Examples of polymeric substances are:

Choose an answer

Plastic

Synthetic rubbers

Zirconia

All of these

Both (A) and (B)

When there is no relative motion between the magnet and coil, the galvanometer indicated

Choose an answer

No current in the circuit

An increasing current

A decreasing current

A constant current

Either B or C

A 10 F capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt.The capacitance of second capacitor is

Choose an answer

10μF

20μF

30μF

15μF

If N is the total number of molecules and V is the volume of the container, then the expression for the pressure of gas is

Choose an answer

P=P/V<1/2mv²>

P=2N/V<1/2mv²>

P=2/3N/V<1/2mv²>

P=2/3N/V<mv²>

Direction of motion _________ in circular motion

Choose an answer

Changes off and on

Changes continously

Does not change

None of them

Two sources of sound are said to be coherent if

Choose an answer

The produce sounds of equal intensity

They produce sounds of equal frequency

They produce sound waves vibrating with the same phase

They produce sound waves with zero or constant phase difference all instant of time

In solids, only following type/s of wave can travel:

Choose an answer

Transverse

Longitudinal

Both A and B

None of them

The r.m.s value of a.c. current is always

Choose an answer

positive

negative

zero

all of these

A curie represents a very strong source of

Choose an answer

α-particle

β-particle

γ-particle

none of these

The vertical component of velocity of a projectile during its motion is minimum

Choose an answer

at the time of projection

at the highest point

just before hitting the plane of projection

all of them

Electric potential of earth is taken to be zero because the earth is good

Choose an answer

Semiconductor

Conductor

Insulator

Dielectric

Single mode step index fibre is used to send

Choose an answer

white light

green light

a strong monochromatic light

yellow light

In Milikan's oil drop experiment, the drag force on oil drop is

Choose an answer

F_D = 6ηrv_t

F_D = 6πηrv_t²

FD = 6πηr²v_t

FD = 6πηrv_t

The travel time of light from Moon to Earth is

Choose an answer

2 min 10 sec

1 min

1 min 20 sec

3 min 30 sec

Demension of torque is

Choose an answer

MLT^-2

ML²T^-1

ML²T^-2

ML²T²

The frame of reference in which Newton's first law of motion holds is known as

Choose an answer

non-inertial frame is known as

inertial frame of reference

both of them

neither of them

When two objects come to common temperature, the body is said to be in:

Choose an answer

Static equilibrium

Dynamic equilibrium

Thermal equilibrium

None of these

The perpendicular distance from the axis of rotation to the line of the action of force is called

Choose an answer

Linear distance

Angular distance

Momentum arm

None of these

Angular acceleration is produced in a body by the physical quantity called

Choose an answer

momentum

vibration

torque

centrifugal force

The band above the valence band is called

Choose an answer

high energy band

conduction band

empty band

none of them

The unit of coefficient of viscosity is

Choose an answer

kgm^-1s^-1

Nsm^-2

Poise

All of these

When an atom is isolated, it energy levels are

Choose an answer

Distinct

Very close

Very very close

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