Q11 of 58 Page 31

Read the Para under the title “Height and Temperature” of page 27 and comment on it.

Temperature at the highest parts of a mountain is generally low because temperature decreases with elevation (height). This is the reason behind many people from plains such as Delhi going to hilly areas such as Shimla, where even in the summer months the temperature is low, having a cooler climate.

The variation in temperature is because Delhi is at an elevation of about 200 meters above sea level, while Shimla is at an elevation of about 2200 meters above sea level. (Usually, for every 1000 meters increase in elevation, the temperature falls by around 6°C.)


More from this chapter

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7

Give three possible explanations for the differences between the average temperatures in Thiruvananthapuram and Shimla in January (refer to your Atlas).

 8

Between Bhopal, Delhi, Mumbai and Shimla, which two places show a similar temperature pattern? How can you explain the similarity between these two places?

 9

Look at the graph of Minimum-Maximum temperature on the right and answer the questions below:


a) What is the average highest temperature in July?


b) How warm does it usually get in December?


c) How cool does it usually get in June?


d) Is there a bigger difference between night and day temperature in May or in August?


e) When is summer?

 10

Nithin says thermal power is better to use, but Padmaja says that Solar Energy is better. Which of them do you support? Why?