Top 1000+ Solved Physics MCQ Questions Answer

From 1111 to 1125 of 1211

Q. Where do the electrical charges reside in a charged conductor?

a. at the core

b. throughout the body

c. depended upon the nature of the body

d. outer surface of the body

  • d. outer surface of the body

Q. Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface?

a. Ionosphere

b. Stratosphere

c. Mesosphere

d. Exosphere

  • a. Ionosphere

Q. What is the process of melting also called?

a. Fusion

b. Galvanisation

c. Crystallisatiorn

d. Evaporation

  • a. Fusion

Q. A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is –

a. zero at that place

b. is balanced by the force of attraction due to moon

c. equal to the centripetal force

d. non-effective due to particular design of the satellite

  • a. zero at that place

Q. 'Shock-absorbers are usually made ofsteel as it –

a. is not brittle

b. has lower elasticity

c. has higher elasticity

d. has no ductile property

  • c. has higher elasticity

Q. With the increase of pressure, the boiling point of any substance –

a. Increases

b. Decreases

c. Remains Same

d. Becomes zero

  • a. Increases

Q. Among the following materials sound travels fastest in –

a. Steel

b. Air

c. Vacuum

d. Water

  • a. Steel

Q. Velocity of the sound is minimum in -

a. Steel

b. Vacuum

c. Water

d. Air

  • b. Vacuum

Q. Safety fuse wire used in domestic electrical appliances is made of metal of low

a. Resistance

b. Melting point

c. Specific gravity

d. Conductance

  • b. Melting point

Q. The following particles move with same kinetic energy. Which of them has maximum momentum?

a. Electron

b. Proton

c. Deutron

d. Alpha Particle

  • d. Alpha Particle

Q. A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect?

a. Near the bottom

b. In the middle of the bottom

c. Near the neck

d. Bubbles remain distributed uniformly

  • c. Near the neck

Q. Lambert's law is related to –

a. Reflection

b. Refraction

c. Interference

d. Illumination

  • d. Illumination

Q. When a detergent is added to pure water, its surface tension –

a. increases

b. decreases

c. remains constant

d. becomes infinite

  • b. decreases

Q. Small bubbles are perfectly sphericalbecause of –

a. Gravity

b. Pressure

c. Viscosity

d. Surface tension

  • d. Surface tension
Subscribe Now

Get All Updates & News