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Question
Discuss how high specific heat capacity of water helps in formation of land and sea breeze.
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Solution
Specific heat capacity of land is 5 times less as compared to water. Thus, air above land becomes hot and light and rises up resulting in drop in pressure of land mass during day time. Thus, cool air from sea starts blowing towards and forming sea breeze.
During night, land as well as sea radiates heat energy. However, temperature of land falls faster than sea water, because of high specific heat capacity of sea water. So, at night the temperature of sea water is more than land. Warm air above the sea rises and cold air from land starts blowing towards sea resulting in land breeze.
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| Column A | Column B | ||
| 1. | Specific heat capacity of water | a. | 0°C |
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| 3. | Latent heat of vaporization of water | c. | 100°C |
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| 5. | The boiling point of water | e. | 336 J/g |
We would like to make a vessel whose volume does not change with temperature (take a hint from the problem above). We can use brass and iron `(β_(vbrass) = (6 xx 10^(–5))/K and β_(viron) = (3.55 xx 10^(–5))/K)` to create a volume of 100 cc. How do you think you can achieve this.
