Question # 1

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Choose an answer

G 10^-3T

G = 10^-2T

G = 10^-4T

G = 10^-1T

Which of the following type of force can do no work on the particle on which it acts:

Choose an answer

Frictional force

Gravitational force

Electric force

Centripetal force

When the same object is viewed at a shorter distance, the image on the retina of the eye is _____ the so the object appears:

Choose an answer

Greater, smaller

Smaller, smaller

Smaller, larger

Greater, larger

The thermistors are usually made of

Choose an answer

Metals with low temperature coefficient of resistivity

Metals with high temperature coefficient of resistivity

Metal oxides with high temperature coefficient of resistivity

Semi conducting materials having low temperature coefficient of resistivity

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Choose an answer

dead beat galvanometer

stable galvanometer

shunt galvanometer

sensitive galvanomter

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°

Which quantity has the same units as impulse

Choose an answer

force

work

linear momentum

acceleration

The decrease in velocity per unit time is called:

Choose an answer

Variable Acceleration

Average Acceleration

Retardation

None of these

Referring to the above figure, we can say that of all the elements, the most stable element is

Choose an answer

Phosphours

Iron

uranium

Lithium

Bismuth

A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called

Choose an answer

reversible process

irreversible process

any one of them

none of them

Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:

Choose an answer

N = nN_Am = MN_A

n = N N_A, M = mN_A

M = N_A/N , N_A= m/n

N = nN_A, M = mN_A

The centripetal acceleration is supplied by

Choose an answer

Applied force

Gravity

Initial velocity

None of these

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Choose an answer

straight

circular

square

plane

The pressure will be low where the speed of the fluid is

Choose an answer

Zero

High

Low

Constant

The working of carburetor of a car uses

Choose an answer

Gravitational law

Equation of continuity

Bernoulli's theorem

Stock's law

The speed of light in a medium depends upon

Choose an answer

Its wavelength

Its frequency

Refractive index

All of these

Which one the following gives three regions of electromagnetic sepctrum in order of increasing wavelength?

Choose an answer

Gamma rays, micro waves, visible light

Radio waves, ultraviolet waves, X-rays

Ultraviolet rays, Infrared rays, micro waves

Visible light, gamma rays, radio waves

The efficiency of half wave rectifier is:

Choose an answer

25.6%

1.2%

40.6%

66.6%

For a freely falling elevator

Choose an answer

a = W

a = T

a = 0

a = g

The young s modulus for a perfect rigid body is

Choose an answer

Zero

1

Infinite

None of these

In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be:

Choose an answer

25 Hz

70.7 Hz

50 Hz

100 Hz

In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice

Choose an answer

Germanium

Selinium

Silicon

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