Top 1000+ Solved Physics MCQ Questions Answer

From 181 to 195 of 1211

Q. The fuse in our domestic electric circuit melts when there is a high rise in –

a. Inductance

b. Current

c. Resistance

d. Capacitance

  • b. Current

Q. The energy stored in a watch spring is

a. Kinetic energy

b. Potential energy

c. Heat energy

d. Chemical energy

  • b. Potential energy

Q. Cryogenic is a science deals with -

a. High Temperatures

b. Low Pressure

c. High Pressure

d. Low Temperature

  • d. Low Temperature

Q. `Short-sight' in human eye can be corrected by using proper –

a. convex lens

b. concave lens

c. cylindrical lens

d. bifocal lens

  • b. concave lens

Q. What is the reason for twinkling of stars?

a. Dispersion of light

b. Total internal reflection

c. Atmospheric reflection

d. Atmospheric refraction

  • d. Atmospheric refraction

Q. Which gas is used in filling electric bulbs -

a. Neon

b. Argon

c. Krypton

d. Radon

  • b. Argon

Q. Ball pen functions on the principle of :

a. Viscosity

b. Boyle's Law

c. Gravitational force

d. Surface tension

  • d. Surface tension

Q. A man cannot see clearly beyond 10 meters. The disease he suffers from :

a. Far sight

b. Myopia

c. Cataract

d. Hypermetropia

  • b. Myopia

Q. The S.I. unit of electric charge is –

a. ampere

b. coulomb

c. e.s.u

d. Kelvin

  • b. coulomb

Q. Light beam which is highly directional is called:

a. eraser

b. grazer

c. maser

d. laser

  • d. laser

Q. Permissible noise level at Residential area during night time is :

a. 45 dB

b. 55 dB

c. 75 dB

d. 80 dB

  • a. 45 dB

Q. When milk is churned, the cream separates from it clue to:

a. Frictional force

b. Centrifugal force

c. Gravitation al force

d. Viscous forces

  • b. Centrifugal force

Q. Moving electric charge produces -

a. magnetic field

b. sound waves

c. light rays

d. heat waves

  • a. magnetic field

Q. The process of union of two or more molecules of a substance to form a large single molecule is called :

a. Fusion

b. Diffusion

c. Polymerization

d. Synthesis

  • c. Polymerization

Q. When a barometer reading suddenly recedes, it indicates that climate –

a. will be very warm

b. will be extremely stormy

c. will remain cold

d. incessant rain for at least 48 hours

  • b. will be extremely stormy
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