| Consider the following statements and state which are correct? |
| 1. The rate of temperature decrease in the atmosphere with increasing altitude is known as lapse-rate. |
| 2. The amount of heat energy expended in changing the state or phase of a body, without raising its temperature is known as 'latent heat'. |
A) Both 1 and 2 are correct
B) Both 1 and 2 are incorrect
C) Only 1 is correct
D) Only 2 is correct
Correct Answer: A
Solution :
[a] Normal lapse rate is \[6.5{}^\circ C\]per km of ascent.
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