Question # 1

If electric and gravitational force on an electron in a uniform electric field will be

Choose an answer

E=mg/q

E=q/mg

E=,g/q

E=qg/m

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:

Choose an answer

0°

30°

60°

90°

Decibel is unit of

Choose an answer

Intensity of light

x-ray radiation capacity

sound loudness

Energy of radiation

The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called

Choose an answer

diamagnetic substances

ferromagnetic substances

paramagnetic substances

all of them

The most suitable material for permanent magnet is

Choose an answer

cobalt

iron

steel

alaminium

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

For addition and subtraction purposes, absolute uncertainties are:

Choose an answer

Added

Subtracted

Multipiled

Divided

Electric lines of force

Choose an answer

Intersect each other

Are always parallel

Are always anti-parallel

Never intersect

None of these

In a semi-conductor material, current flows due to

Choose an answer

positive charge

negative charge

both of them

none of them

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

The total charge of any nucleus is given as

Choose an answer

Ze²

Z²e

Z/e

Ze

The relative velocity before and after the collision is

Choose an answer

V₁+ V₂= V'₂+ V'₂

V₁- V₂= V'₂- V'₁

V₁- V₂=-( V'₂- V'₁)

None of these

When a silicon crystal is doped with pentavalent impurity which are

Choose an answer

Boron

Antimony

Gallium

None of these

The experimental evidence in support of wave theory in Huygen's time was

Choose an answer

not present

not convincing

convincing

none of them

1 year = ______.

Choose an answer

3.1536 x 10⁷s

3.1536 x 10^-7s

3.1536 x 10¹⁰s

3.1536 x 10^-10s

Systematic error refers to an effect that influences particular quantity for the measurements which are

Choose an answer

All

Some

None

a and b

The Earth rocks are in molten and partly molten state, usually within the Earth surface of

Choose an answer

5 km

10 km

15 km

18 km

The work done on the system by the environment is taken as

Choose an answer

Positive

Neutral

Negative

None of these

Bernoulli s equation applicable in the case of

Choose an answer

Streamlined flow of compressible fluids

Streamlined flow of incompressible fluids

Turbulent flow of compressible fluids

The range of the projectile means a body covers horizontal distance which is

Choose an answer

maximum

Minimum

Distance

None of these

Shear modulus for water is

Choose an answer

- 4.7

- 3.3

- 1.2

0

Two wires of same material have lengths L and 2L and cross-sectional area 4A and A respectively. the ratio of their specific resistance would be:

Choose an answer

1: 1

1: 8

8: 1

1: 2

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