Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
- (a)Troposphere
- (b)Stratosphere
- (c)Mesosphere
- (d)Ionosphere
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Official answer(d) Ionosphere
Other questions on Atmosphere & Climatology
With reference to the climate of Andaman and Nicobar Islands, which of the following statements is/are correct ? 1. The climate can be defined as a humid, tropical coastal climate. 2. It receives rainfall from both South-west monsoon and North-east monsoon. 3. Maximum precipitation is between December and May. Select the answer using the code given below :
- (a)1 only
- (b)1 and 2
- (c)2 and 3
- (d)3 only
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Official answer(b) 1 and 2
Consider the following statements : Statement I : The amount of dust particles in the atmosphere is more in subtropical and temperate areas than in equatorial and polar regions. Statement II : Subtropical and temperate areas have less dry winds. Which one of the following is correct in respect of the above statements?
- (a)Both Statement I and Statement II are correct and Statement II explains Statement I
- (b)Both Statement I and Statement II are correct but Statement II does not explain Statement I
- (c)Statement I is correct but Statement II is not correct
- (d)Statement I is not correct but Statement II is correct
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Official answer(c) Statement I is correct but Statement II is not correct
Consider the following statements : Statement I : In January, in the Northern Hemisphere, the isotherms bend equatorward while crossing the landmasses, and poleward while crossing the oceans. Statement II : In January, the air over the oceans is warmer than that over the landmasses in the Northern Hemisphere. Which one of the following is correct in respect of the above statements?
- (a)Both Statement I and Statement II are correct and Statement II explains Statement I
- (b)Both Statement I and Statement II are correct but Statement II does not explain Statement I
- (c)Statement I is correct but Statement II is not correct
- (d)Statement I is not correct but Statement II is correct
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Official answer(a) Both Statement I and Statement II are correct and Statement II explains Statement I
Consider the following statements : Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-II : Carbon dioxide and other greenhouse gases in the atmosphere are good absorbers of long wave radiation. Which one of the following is correct in respect of the above statements ?
- (a)Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
- (b)Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
- (c)Statement-I is correct, but Statement-II is incorrect
- (d)Statement-I is incorrect, but Statement-II is correct
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Official answer(d) Statement-I is incorrect, but Statement-II is correct
Consider the following statements : Statement-I : Thickness of the troposphere at the equator is much greater as compared to poles. Statement-II : At the equator, heat is transported to great heights by strong convectional currents. Which one of the following is correct in respect of the above statements ?
- (a)Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
- (b)Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
- (c)Statement-I is correct, but Statement-II is incorrect
- (d)Statement-I is incorrect, but Statement-II is correct
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Official answer(a) Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
Which of the following is/are correct inference/inferences from isothermal maps in the month of January ? 1. The isotherms deviate to the north over the ocean and to the south over the continent. 2. The presence of cold ocean currents, Gulf Stream and North Atlantic Drift make the North Atlantic Ocean colder and the isotherms bend towards the north. Select the answer using the code given below :
- (a)1 only
- (b)2 only
- (c)Both 1 and 2
- (d)Neither 1 nor 2
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Official answer(a) 1 only