If you cover the beaker's surface with tin foil the rate of cooling

Increases

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Decreases

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Remain same

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None

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Solution

The correct option is B Decreases
Tin foil is good reflector and bad absorber and it will reflect the heat which decreases rate of cooling.

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If you cover the beaker's surface with tin foil the rate of cooling

The correct option is B DecreasesTin foil is good reflector and bad absorber and it will reflect the heat which decreases rate of cooling.

The correct option is B Decreases
Tin foil is good reflector and bad absorber and it will reflect the heat which decreases rate of cooling.