Question # 1

The value of the potential difference across the depletion region for the case of germanium is

Choose an answer

0.3 V

0.5 V

0.7 V

0.9 V

If force and displacement are in opposite direction, the work done is taken as:

Choose an answer

Positive work

Negative work

Zero work

Infinite work

A simple pendulum consists of a

Choose an answer

small light bob

small heavy bob

big light bob

big heavy bob

The weight 'mg' of the bob is resolved into

Choose an answer

one component

two components

three components

four components

The SI unit of flux density is

Choose an answer

Newton/Amp-meter

Newton-m/Ampere

Newton-m/Amp²

Newton-Amp/meter

The half life of radioactive substances depends upon

Choose an answer

amount of substance

energy of substance

state of substance

temperature of substance

The disorder in the system increases due to the

Choose an answer

removal of heat

addition of heat

removal or addition of heat

none of them

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

A succession of events which bring the system back to its initial condition is called

Choose an answer

reversible process

irreversible process

a cycle

none of them

The passage of current is accompanied by a magnetic field in the surrounding space:

Choose an answer

Always accompanied

Sometimes accompanied

Never accompanied

Any of above

None of these

During the steady flow, different streamlines

Choose an answer

cannot across each other

can across each other

either of them

neither of them

Young's modulus for brass is

Choose an answer

40

60

90

91

When the terminal velocity is reached the acceleration of body moving through a viscous medium is

Choose an answer

Zero

Positive

Negative

Depends upon other factors

The shape of crystals other than a cube have

Choose an answer

Right angles

Not right angles

Not corners

None of these

When the left is moving upwards with an acceleration 'a' then

Choose an answer

T - W = ma

W - T = ma

T = W

None of these

Base quantities are

Choose an answer

Scalars

Vectors

Both

None of these

Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance

Choose an answer

λ/2

λ/4

λ

3/2λ

A force of 50 dynes is acted on a body of mass 5 g which is at rest.for and interval of 3 seconds,then impulse is

Choose an answer

0.15 x 10^-3 Ns

0.98 x 10^-3 Ns

1.5 x 10^-3 Ns

2.5 x 10^-3 Ns

The fluid which is incompressible and non viscous is called

Choose an answer

Ideal fluid

Non ideal fluid

Perfect fluid

All

At any point on the right bisector of the line joining two equal and opposite charges

Choose an answer

At electric field is zero

The electric potential decreases with increasing distance from the centre

The electric potential is zero

The electric field is perpendicular to the line joining the charges

The ratio of stress/strain is called as

Choose an answer

Modulus of elasticity

Bulk modulus

Shear modulus

Young's modulus

Shear modulus for mercury is

Choose an answer

0

12

27

42

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