Top 1000+ Solved Physics MCQ Questions Answer

From 541 to 555 of 1211

Q. Clouds float in the atmosphere because of their –

a. low pressure

b. low density

c. low viscosity

d. low temperature

  • b. low density

Q. Which of the following phenomenon is responsible for the movement of water in plants?

a. Pressure difference

b. Concentration difference

c. Transpiration

d. Both (2) and (3)

  • d. Both (2) and (3)

Q. A kilowatt-hour is unit of –

a. Energy

b. Power

c. Electric charge

d. Electric current

  • a. Energy

Q. Which of the following is used to splitwhite light into different colors?

a. Glass slab

b. Convex lens

c. Concave lens

d. Prism

  • d. Prism

Q. Nuclear reactors used to produceelectricity are based on –

a. Nuclear fission

b. Nuclear fusion

c. Cold fusion

d. Superconductivity

  • a. Nuclear fission

Q. Energy that is produced commerciallyfrom coal is called –

a. Light energy

b. Kinetic energy

c. Thermal energy

d. Potential energy

  • c. Thermal energy

Q. Which among the following is not acharacteristic of transition metals?

a. Tendency to gain electrons

b. Low electro negativity

c. Low ionization energy

d. Malleability

  • a. Tendency to gain electrons

Q. Which one of the following is not afunction of the liver?

a. Regulation of blood sugar

b. Enzyme activation

c. Detoxiation

d. Reproduction

  • d. Reproduction

Q. The source of the Sun's energy is theprocess of –

a. Photoelectric emission

b. Nuclear fission

c. Nuclear fusion

d. Thermionic emission

  • c. Nuclear fusion

Q. Which of the following is a nonrenewable source of energy?

a. Biogas

b. Solar

c. Wind

d. Coal

  • d. Coal

Q. Solar energy is converted into chemical energy during –

a. Transpiration

b. Photosynthesis

c. Diffusion

d. Osmosis

  • b. Photosynthesis

Q. Decibel is the unit used for –

a. Speed of light

b. Intensity of heat

c. Intensity of sound

d. Radio wave frequency

  • c. Intensity of sound

Q. The term ‘Isoneph' indicates the linesof equal –

a. cloudiness

b. salinity

c. rainfall

d. pressure

  • a. cloudiness

Q. Fibre optics work on the principle of –

a. Scattering of light

b. Total internal absorption

c. Total internal reflection

d. Optical rotation

  • c. Total internal reflection
Subscribe Now

Get All Updates & News