Questions and answers for exam Preparation

MCQs

Total Questions : 175 | Page 17 of 18 pages

Question 161. What happens to earth when incoming energy is less than the outgoing energy?

Earth’s temperature is not affected
Earth’s temperature increases
Earth’s temperature decreases
Entire planet freezes

Discuss Question

Answer: Option C. -> Earth’s temperature decreases
Answer: (c).Earth’s temperature decreases

Question 162. What happens to earth when incoming energy is greater than the outgoing energy?

Earth’s temperature decreases
Earth’s temperature increases
Earth’s temperature is not affected
Water level rises

Discuss Question

Answer: Option B. -> Earth’s temperature increases
Answer: (b).Earth’s temperature increases

Question 163. During night, the net-all-wave radiation is dominated by _____

long-wave radiation
short-wave radiation
visible range
gamma rays

Discuss Question

Answer: Option A. -> long-wave radiation
Answer: (a).long-wave radiation

Question 164. What is solar irradiance?

Solar radiation received by earth
Solar radiation directly received by earth’s surface
Solar radiation received by earth’s surface after scattering
Intensity with which the solar radiation enters the earth’s atmosphere

Discuss Question

Answer: Option D. -> Intensity with which the solar radiation enters the earth’s atmosphere
Answer: (d).Intensity with which the solar radiation enters the earth’s atmosphere

Question 165. Why is the earth’s temperature nearly stable?

Because the outgoing radiation dominates the incoming solar radiation
Because the incoming short-wave solar radiation nearly equals the outgoing long-wave radiation
Because the incoming long-wave solar radiation dominates the outgoing short-wave radiation
Because the incoming long-wave solar radiation dominates the outgoing long-wave radiation

Discuss Question

Answer: Option B. -> Because the incoming short-wave solar radiation nearly equals the outgoing long-wave radiation
Answer: (b).Because the incoming short-wave solar radiation nearly equals the outgoing long-wave radiation

Question 166. Which of the following best describes intensity?