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Bhautik Study

In summer, when the valve of a bicycle tube is removed, the escaping air appears cold. Why?

Q. In summer, when the valve of a bicycle tube is removed, the escaping air appears cold. Why?               (CBSE)

Aditya Bhatt Answered question 22 January 2024
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Best Answer

When the valve of a bicycle tube is removed. The air expands under the adiabatic process (dQ= 0). Its internal energy decreases which causes a fall in temperature. Hence escaping air from a bicycle tube appears cold.

Aditya Bhatt Answered question 22 January 2024
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