Question # 1

The unit of viscosity is SI system is:

Choose an answer

Kg^-1m sec^-1

Kgm^-1 sec^-1

Kg^-1m^-1 sec

None of these

Which of the following theory completely explain the three types of materials

Choose an answer

Bohr model of electron distribution

Rutherford atomic model

Pauli's exclusion principle

energy band theory

The charge carriers in electrolyte are positive and negative

Choose an answer

protons

electrons

ions

none of these

The sum of two or more vectors is equal to a single vector which is called:

Choose an answer

Component vector

Resultant vector

Product vector

None of these

The SI unit of conductivity is

Choose an answer

ohm-m

ohm^-1m^-1

ohm-m^-1

ohm^-1m

Pressure exerted by a gas is

Choose an answer

Independent of density of the gas

Inversely proportional to the density of the gas

Directly proportional to the square of the density of the gas

Directly proportional to the density of the gas

Which one of the following causes production of heat when current is set up in a wire?

Choose an answer

Fall of electrons from higher orbits to lower orbits

Inter-atomic collisions

Inter-electron collisions

Collisions of conduction electron with atoms

Above a certain velocity of a fluid is called

Choose an answer

turbulent flow

steady flow

either of them

both of them

The potential difference across each resistance in series combination is

Choose an answer

same

different

zero

none of these

The waveform of alternating voltage is a:

Choose an answer

Square

Rectangular

Saw-tooth

Sinusoidal

None of these

The field around a moving charge is called

Choose an answer

magnetic field

conservative field

non-conservative field

none of these

The quantity F x t is called as

Choose an answer

momentum

velocity

acceleration

impulse

The each atom of pure Ge or Si shares neighboring electrons are

Choose an answer

Three

Four

Five

None of these

Propagation of light in an optical fibre requires

Choose an answer

Total internal reflection

Continuous refraction

Both

None of these

The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as

Choose an answer

Astigmatism

Chromatic

Spherical aberration

Coma

When a meteorite enters into earth atmosphere its energy converts into

Choose an answer

Kinetic energy

Heat energy

Mechanical energy

None of these

Which of the following radiation will be focused farthest from a convex lens

Choose an answer

X - rays

γ - rays

Microwaves

β - rays

A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on

Choose an answer

λ only

d only

λ and d

λ d and distance of screen from the grating

Triple point of water is the state in which ice, water and vapour coexists in equilibrium and its occurs uniquely at pressure and temperature is

Choose an answer

one particular

just one

May be another

None of these

Which of the following is a scalar quantity?

Choose an answer

Displacement

Electric field

Acceleration

Work

In metallic crystals which of the following thing remains constant?

Choose an answer

amplitude of oscillations

temperature of solid

average atomic positions

all of them

At what point/points in its path does a projectile have it minimum speed ?

Choose an answer

At the point of projection

At maximum height

All the point where it strikes the ground

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