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CBSE Questions for Class 7 Physics Heat Quiz 12 - MCQExams.com
CBSE
Class 7 Physics
Heat
Quiz 12
Which of the following cools quickly at night?
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0%
water
0%
land
0%
cement
0%
all of the above
Explanation
Land has lower heat capacity and requires less heat to increase its temperature whereas water and cement has higher heat capacity and requires more heat to increase its temperature. Hence land heats up and cools down faster than water and cement.
During the day, the land gets heated
faster than the water.
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0%
True
0%
False
Explanation
The statement is True.
During the day, the land gets heated faster than water as the heat capacity of the land is lower than the heat capacity of water. The air above the land gets warmer and rises up. The cold air above sea moves towards land to takes its place.
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