Question # 1

A reversible cycle is the one in which

Choose an answer

some of the changes are reversible

all of the changes are reversible

all of the changes are irreversible

none of them

Consider a photon of continuous X-ray and a photon of characteristics X-ray of same wavelength. Which of the following is/are different for the two photons

Choose an answer

Frequency

Penetrating power

Energy

Method of creation

The SI unit of stress is

Choose an answer

N/m²

Nmc

dynes/m

N

The peak value of alternating voltage is given by

Choose an answer

U-238 present in the natural uranium is about:

Choose an answer

59%

0.007%

99%

39%

19%

When a body moves to and fro motion, this type of motion is called

Choose an answer

translatory motion

circular motion

oscillatory motion

all of them

Parallel vectors of same magnitudes:

Choose an answer

Are equal

Are unequal

When added give the some equal to zero

Give the answer equal to zero

The magnitude of induced emf depends upon the

Choose an answer

Rate of decrease of magnetic field

Rate of change of magnetic field

Rate of increase of magnetic flux

Constancy of magnetic field

None of these

10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?

Choose an answer

Each have same number of molecules

Don't have same number of molecules

Can't be predicted

None

Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:

Choose an answer

2 N

- 2 N

18 N

36 N

At the starting point of the free fall motion of an object, its acceleration will be

Choose an answer

maximum

minimum

zero

none of them

The information received at the other end of a fibre can be inaccurate due to

Choose an answer

dispersion of light signal

spreading of light signal

both of them

none of them

The discuss used by athletes has a mass of 1 kg, its weight in newtons is

Choose an answer

9.8 N

80 N

98 N

100 N

The property due to which the size or shape of a lattice is not important is called

Choose an answer

Cleavage

Anisotropy

Homogenity

None of these

Two row boats moving parallel in the same direction and pulled toward each other due to the application of Bernoulli's equation

Choose an answer

Stake's theorem

Toricelli's theorem

Venturi relation

None of these

The optical fibre has a layer over the central layer is called cladding of refractive index

Choose an answer

High

Low

Very high

None of these

The units of the temperature coefficient of resistant are

Choose an answer

ΩK^-1

K^-1

ΩK

(ΩK)^-1

Newtons first law of motion is also known as

Choose an answer

Law of motion

Law of mechanics

Law of inertia

None of these

The mother and daughter elements with the emission of 𝖰 − 𝒓𝒂𝒚𝒔, are called:

Choose an answer

Isotopes

Isobars

Isomers

Isodiapheres

The shearing strain is measured by

Choose an answer

Angle of rotation

Shearing stress

Angle of shear

Modulus of rigidity

Study of fluid properties in motion is

Choose an answer

Dynamics

Fluid statics

Fluid dynamics

None

Sadi Carnot described an ideal engine using only isothermal and adiabatic process in

Choose an answer

1820

1825

1837

1840

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