Answer:
(a) In thermal contact, heat flows from the body at higher
temperature to the body at lower temperature till temperatures become equal.
The final temperature can be the mean temperature only
when thermal capacities of the two bodies are equal.
(b)
This is because heat absorbed by a substance is directly proportional to the
specific heat of the substance.
(c)
During driving, the temperature of air inside the tyre increases due to motion.
According to Charle's law, .
Therefore, air pressure inside the tyre increases.
(d)
This is because in a harbour town, the relative humidity is more than in a
desert town. Hence, the climate of a harbour town is without extremes of hot
and cold.
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