Question # 1

The maximum stress that a material can withstand, is known as

Choose an answer

plastic point

elastic limit

yield point

ultimate tensile strength

Which of the following material has smaller has life

Choose an answer

uranium

polonium

radium

radian

A gas which strictly obeys the gas laws under all conditions of temperature and pressure is called:

Choose an answer

Ideal gas

Inert gas

Real gas

None of these

Amplitude in SHM is equivalent to ______ in circular motion:

Choose an answer

Diameter

Radius

Circumference

None of these

The total charge of any nucleus is given as

Choose an answer

Ze²

Z²e

Z/e

Ze

Which of the following is not an assumption of kinetic energy

Choose an answer

a finite volume of gas consists of very large number of molecules

the gas molecules are in random motion

collision between the gas molecules are inelastic

the size of the gas molecules is much smaller than the separation between molecules

Electromagnetic waves transmit energy equal to

Choose an answer

1/2 mv²

m_oc²

hf/c

hf

Two electric bulbs of 200 W and 100 W have same voltage. If R₁and R₂be their resistance respectively then

Choose an answer

R₁= 2R₂

R₂= 2R₁

R₂=4R₁

R₁= 4R₂

The photon of radio-waves has energy of about

Choose an answer

1 Me V

1 Ke v

10^-10e v

10¹⁰e v

Blomass includes:

Choose an answer

Crop residue

Natural vegetation

Animal dung

All of these

Nucleus consists of

Choose an answer

proton and neutron

protons and electron

electron and neutron

protons only

The petrol engine works on the basis of

Choose an answer

Kelvin statement

Clausius statement

Carnot cycle

First law of thermodynamics

Which of the following converts electrical signals into light signals?

Choose an answer

optical fibre

receiver

reflector

transmitter

The percentage uncertainty in measuring the volume of sphere measured by calipers callipers is when r = 2.25 ± 0.01 cm with least count ± 0.01 cm

Choose an answer

46.7 ± 0.5 cm²

47.7 ± 0.5 cm³

47.7 ± 0.6 cm³

477.6 ± 0.6 cm³

The cables holding a passenger lift swap and lift falls freely towards the ground. A person inside the lift is standing on a weighing machine. What does he notice?

Choose an answer

his weight reducing to zero as no force is exerted on him

the reading on the scale reducing to zero

the reading on the scale remaining the same

the reading on the scales becoming zero

During the projectile motion, the vertical component of velocity

Choose an answer

changes with time

becomes zero

becomes maximum

all of them

Shear modulus for lead is

Choose an answer

1.7

4.9

5.6

6.2

A box of mass 2 kg is at rest on top of a 0.75m high table. The weight of the object is 19.6 N. if the object is moved so that it falls to the ground, what will be the weight of the object after it has fallen 0.1 metre distance?

Choose an answer

19.2 N

19.6 N

19.8 N

not possible to determine from the given information

Confining the light vibrations in one plane is called:

Choose an answer

Reflection of light

Interference of light

Polarization of light

Diffraction of light

When the velocity of a body is increasing, the acceleration produced is

Choose an answer

No acceleration produced

Negative acceleration

Positive acceleration

None of these

What is the relation between an arc length and the angle θ (in radian) with the 'r' as its radius

Choose an answer

r = θ/S

S = rθ

θ = r/S

None of these

Which part of the spectrum is most visible?

Choose an answer

Red

Violet

Yellow

Yellow-green

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