A number of small drops of mercury adiabatically coalesce to form a single drop. The temperature of the drop will

increase

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remain same

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decrease

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depend on size

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Solution

The correct option is A increase
When drops are adiabatically coalesced, the heat produced cannot escape. Due to which the temperature of big drop increase.

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Similar questions

In identical mercury droplets charged to the same potential $V$ coalesce to form a single bigger drop. The potential of the new drop will be:

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