Top 1000+ Solved Physics MCQ Questions Answer

From 1186 to 1200 of 1211

Q. The earth-wire of a cable is connected to –

a. the outer metallic body of the appliance

b. the fuse of the appliance

c. the filament of the appliance

d. short circuitry of the appliance

  • b. the fuse of the appliance

Q. The best conductor of heat among the following is –

a. alcohol

b. mercury

c. ether

d. water

  • b. mercury

Q. The metal used to make lightning conductors is –

a. Iron

b. Aluminum

c. Copper

d. Zinc

  • c. Copper

Q. The phenomenon of radioactivity was discovered by -

a. Marie Curie

b. Pierre Curie

c. Henri Becquerel

d. J.J. Thomson

  • c. Henri Becquerel

Q. If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with–

a. constant speed

b. constant velocity

c. constant acceleration

d. varying acceleration

  • c. constant acceleration

Q. In a photocell light energy is converted into –

a. Potential energy

b. Chemical energy

c. Heat energy

d. Electrical energy

  • d. Electrical energy

Q. A storm is predicted if atmospheric pressure –

a. Rises suddenly

b. Rises gradually

c. Falls suddenly

d. Falls gradually

  • c. Falls suddenly

Q. The smallest unit of classification is -

a. Species

b. Genus

c. Family

d. Order

  • a. Species

Q. Light from the Sun reaches us in nearly

a. 2 minutes

b. 4 minutes

c. 8 minutes

d. 16 minutes

  • c. 8 minutes

Q. A concave lens always forms an image which is –

a. Real and erect

b. Virtual and erect

c. Real and inverted

d. Virtual and inverted

  • b. Virtual and erect

Q. One can distinguish a telescope from a microscope by observing –

a. length

b. colour

c. size of the lens

d. length and size of the lens

  • d. length and size of the lens

Q. The sound produced by a bat is –

a. audible

b. subsonic

c. infrasonic

d. ultrasonic

  • d. ultrasonic

Q. The image of an object formed on the retina of the eye is -

a. virtual and upright

b. virtual and inverted

c. real and inverted

d. Real and upright

  • c. real and inverted

Q. In a nuclear reactor, one of the following is used as a fuel.

a. Coal

b. Uranium

c. Radium

d. Diesel

  • b. Uranium

Q. Suns heat reaches us by –

a. Conduction

b. Convection

c. Radiation

d. Reflection

  • c. Radiation
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