Top 1000+ Solved Physics MCQ Questions Answer

From 721 to 735 of 1211

Q. The weight of a body at the centre of earth is:

a. half the weight at the surface

b. zero

c. twice the weight at the surface

d. infinite

  • b. zero

Q. The component used for tuning a radio is basically a variable –

a. Resistor

b. Condenser

c. Inductor

d. Transformer

  • b. Condenser

Q. 0°K, is equivalent to –

a. 273°C

b. -273°C

c. 0°C

d. 100°C

  • b. -273°C

Q. What type of force acts on a car moving around a curve?

a. Centrifugal force

b. Cohesive force

c. Centripetal force

d. Gravitational force

  • c. Centripetal force

Q. Which one among the following is not an electromagnetic wave?

a. X-Ray

b. R-Ray

c. Cathode Ray

d. Infrared Ray

  • c. Cathode Ray

Q. Which one of the following is a good electrical conductor?

a. Graphite

b. Diamond

c. Peat

d. Charcoal

  • a. Graphite

Q. Which °fine metals has the maximum thermal conductivity?

a. Iron

b. Aluminium

c. Silver

d. Copper

  • c. Silver

Q. The term ‘Higgs Boson' is associated with –

a. Nano Technology

b. Oncology

c. God Particle

d. Stem Cell Research

  • c. God Particle

Q. Addition of suitable impurities into semiconductor, is called –

a. Doping

b. Mixing

c. Forming

d. Diluting

  • a. Doping

Q. When a ship enters the sea from a river what will be the effect?

a. It lowers

b. It sways

c. It rises a little

d. It jolts

  • c. It rises a little

Q. Hydroscope is an instrument that shows changes in:

a. Sound under water

b. Atmospheric humidity

c. Density of liquid

d. None of these

  • d. None of these

Q. Unit of resistance is –

a. volt² x ampere

b. volt/ampere

c. ampere/volt

d. volt x ampere

  • b. volt/ampere

Q. A cycle tyre bursts suddenly. This represents an –

a. Isothermal process

b. Adiabatic process

c. Isochoric process

d. Isoboric process

  • b. Adiabatic process

Q. Global warming is expected to result in

a. increase in level of sea

b. change in crop pattern

c. change in coastline

d. All of the above

  • d. All of the above

Q. Which is best used as a sound absorbing material in partition walls?

a. Stone chips

b. Steel

c. Glass – wool

d. Glass pieces

  • c. Glass – wool
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