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MCQs

Total Questions : 175 | Page 5 of 18 pages
Question 41. Which of the following is used to measure the flux of outgoing long-wave radiation?
  1.    Watt/square meter
  2.    Watt
  3.    Joules
  4.    Watt/cubic meter
 Discuss Question
Answer: Option A. -> Watt/square meter
Answer: (a).Watt/square meter
Question 42. What is earth’s energy budget?
  1.    Balance between received energy and emitted energy after the distribution of energy throughout the five components of earth’s climate system
  2.    Balance between received energy and emitted energy before the distribution of energy throughout the five components of earth’s climate system
  3.    Balance between received energy and emitted energy
  4.    Balance between received energy and emitted energy without the distribution of energy throughout the five components of earth’s climate system
 Discuss Question
Answer: Option A. -> Balance between received energy and emitted energy after the distribution of energy throughout the five components of earth’s climate system
Answer: (a).Balance between received energy and emitted energy after the distribution of energy throughout the five components of earth’s climate system
Question 43. Which of the following process is involved in long-wave radiation?
  1.    Adsorption
  2.    Scattering
  3.    Evaporation
  4.    Condensation
 Discuss Question
Answer: Option B. -> Scattering
Answer: (b).Scattering
Question 44. How does earth lose its excess solar radiation?
  1.    By storing the radiation in its core
  2.    By using the radiation to generate more magma
  3.    By radiative cooling
  4.    By conductive cooling
 Discuss Question
Answer: Option C. -> By radiative cooling
Answer: (c).By radiative cooling
Question 45. How do all the living organisms on receive energy?
  1.    From wind
  2.    From fossil fuels
  3.    From earth’s heat
  4.    From sun
 Discuss Question
Answer: Option D. -> From sun
Answer: (d).From sun
Question 46. What is extraterrestrial radiation?
  1.    Intensity of sun at the top of earth’s atmosphere
  2.    Intensity of sun at the top of its atmosphere
  3.    Energy of sun at the top of earth’s atmosphere
  4.    Force of sun on earth
 Discuss Question
Answer: Option A. -> Intensity of sun at the top of earth’s atmosphere
Answer: (a).Intensity of sun at the top of earth’s atmosphere
Question 47. Which of the following is used to measure extraterrestrial radiation?
  1.    Pressure
  2.    Watts/square meter
  3.    Joules/square meter
  4.    Torque
 Discuss Question
Answer: Option B. -> Watts/square meter
Answer: (b).Watts/square meter
Question 48. Extraterrestrial radiation received by earth ________ throughout the year.
  1.    is constant
  2.    monotonically decreases
  3.    varies
  4.    monotonically increases
 Discuss Question
Answer: Option C. -> varies
Answer: (c).varies
Question 49. What is the average extraterrestrial irradiance received by earth (solar constant)?
  1.    1361 Watts/square meter
  2.    1361 Watts
  3.    1250 Watts/square meter
  4.    1250 Joules
 Discuss Question
Answer: Option A. -> 1361 Watts/square meter
Answer: (a).1361 Watts/square meter
Question 50. Why does the extraterrestrial radiation received by earth vary throughout the year?
  1.    Because earth’s orbit is circular
  2.    Because of radiation losses when travelling through ether
  3.    Because of radiation losses when travelling through vacuum
  4.    Because earth’s orbit is elliptic
 Discuss Question
Answer: Option D. -> Because earth’s orbit is elliptic
Answer: (d).Because earth’s orbit is elliptic

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