Questions and answers for exam Preparation

MCQs

Total Questions : 175 | Page 6 of 18 pages

Question 51. What would happen if the sun’s radiation reaches the earth’s surface without depletion?

Life would cease to exist
Life would be more vibrant
The earth’s average global temperature would become stable
The average global temperature of earth would decrease

Discuss Question

Answer: Option A. -> Life would cease to exist
Answer: (a).Life would cease to exist

Question 52. How does the inclination of earth’s axis affect the incoming solar radiation?

All the solar radiation is concentrated around the equator
The radiation is distributed along the entire equator
All radiation is concentrated at the poles
Solar radiation is non-uniformly distributed throughout the earth’s surface

Discuss Question

Answer: Option D. -> Solar radiation is non-uniformly distributed throughout the earth’s surface
Answer: (d).Solar radiation is non-uniformly distributed throughout the earth’s surface

Question 53. Which of the following plays a role in depletion of incoming solar radiation?

Irradiance of the incoming solar radiation
Dispersion
Solar flares
Nuclear fusion in sun

Discuss Question

Answer: Option B. -> Dispersion
Answer: (b).Dispersion

Question 54. What is the inclination of earth’s axis in degrees?

37
53
23.5
10

Discuss Question

Answer: Option C. -> 23.5
Answer: (c).23.5

Question 55. What happens to those sun rays which are not perpendicular to earth’s surface?

Energy of the solar radiation is spread over a greater area
Energy of the solar radiation is concentrated on a single spot at the poles
Energy of the solar radiation is uniformly distributed along the Tropic of Cancer
Energy of the solar radiation depends on the position of prime meridian

Discuss Question

Answer: Option A. -> Energy of the solar radiation is spread over a greater area
Answer: (a).Energy of the solar radiation is spread over a greater area

Question 56. When solar radiation is dispersed over a greater area, what happens to the net temperature?

The net temperature increases
The net temperature decreases
The net temperature is not affected
The net temperature monotonically increases forever

Discuss Question

Answer: Option B. -> The net temperature decreases
Answer: (b).The net temperature decreases

Question 57. What is scattering?

Spreading of solar radiation over large areas
Absorption of solar radiation by gaseous molecules
Absorption of outgoing long-wave radiation and re-emitting it back to the earth
Deflection of some wavelengths in all directions when passed through air

Discuss Question

Answer: Option D. -> Deflection of some wavelengths in all directions when passed through air
Answer: (d).Deflection of some wavelengths in all directions when passed through air

Question 58. Which of the following latitudes is significantly affected due to dispersion of insolation with seasons?