Question # 1

The transition from solid state to liquid state is:

Choose an answer

Abrupt

Slow

Continous

Discontinous

Both (A) and (D)

According to slok's law, drag force depends on

Choose an answer

Radius of the spherical body

Terminal velocity of body

Coefficient of viscosity

All of above

In magnet-coil experiment, emf can be produced by

Choose an answer

Keeping the coil stationary and moving the magnet

Keeping the magnet stationary and moving

Relative motion of the loop and magnet

Any one of above

All above

Astrophysics is a branch of physics, which deals with:

Choose an answer

Sub-atomic particles

Stars and galaxies

Light and sound

Music

An object moving through a fluid experiences a retarding force called a

Choose an answer

frictional force

terminal force

opposing force

drag force

During the steady flow, different streamlines

Choose an answer

cannot across each other

can across each other

either of them

neither of them

The distance covered by the wave during one period is called its:

Choose an answer

Wave number

Frequency

Wavelength

Time period

When the pn-junction is connected reversed biased, its resistance is of the order of

Choose an answer

few ohms

few kilo-ohms

few mega-ohms

few mili-ohms

Example of progressive wave is

Choose an answer

transverse waves

longitudinal waves

both of them

none of them

The mass of fluid passing through any cross-section per unit time is called

Choose an answer

electric flux

magnetic flux

mass flux

none of them

Curie is a unit of

Choose an answer

reluctance

resistivity

binding energy

radioactivity

For a quantity to be a vector it must has/have

Choose an answer

Magnitude and direction

Obey law of vector addition

Both (a) and (b)

Only (a)

Avogadro number is the no of molecules present in

Choose an answer

One liter of gas at STP

22.4 liter of gas at STP

22.4 mole of gas at STP

48.8 liter of gas at STP

The mass of electrons in Me V is

Choose an answer

1.02 Mev/C²

0.51 Mev/C²

51 Mev/C²

102 Mev/C²

A charge Q is divided into two parts q and Q - q and separated by a distance R.The force of repulsion between them will be maximum when:

Choose an answer

q = Q/4

q = Q/2

q = Q

None of these

Stokes law is applicable to

Choose an answer

Very fast moving objects only

Arbitrary shape bodies

Slow moving objects having spherical shapes

All of these

The typical wavelength of light source in transmitter is

Choose an answer

1.1 μm

1.2 μm

1.3 μm

1.4 μm

The relation between displacement of the mirror 'L' and wavelength λ of the light used

Choose an answer

L = 2mλ

L = λ/2m

L = mλ/2

None of these

220 cm³of water, when subjected to a stress of 100 atmosphere, becomes 219 cm³. Find the bulk modulus of water

Choose an answer

100 N m^-3

100 N m^-2

22000 N m^-3

22000 N m^-2

If the mass of the body is M on the earth surface, then the mass of the same body on the moon

Choose an answer

M/6

Zero

M

None of these

Which of the following lists of physical quantities consists only of vectors:

Choose an answer

Time,temperature,velocity

Force,volume,momentum

Velocity,acceleration,mass

Force,acceleration,velocity

A body will be in complete equilibrium, if

Choose an answer

any one of them

both of them

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