Question

# Himanshu has three buckets as shown below. He puts his right-hand in bucket A and left-hand in bucket B. He then puts both his hands in normal water. His right-hand feels that the water here is hotter while his left-hand feels that the water here is colder. What can be said about the hotness of water in buckets A and B?

A
Water in bucket A is hotter than that in bucket B.
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B
Water in bucket B is hotter than that in bucket A.
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C
Water in buckets A and B is equally hot.
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D
Can’t be predicted
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Solution

## The correct option is B Water in bucket B is hotter than that in bucket A.We know that heat flows from a hot body to a cold body. Himanshu's right hand felt hotter after dipping in normal water. So, the water in the normal bucket is at a higher temperature than that in the bucket A. Similarly, the water in the normal bucket is at a lower temperature than that in the bucket B, because his left-hand felt colder. In other words, the order of temperatures in the buckets is: Bucket A < Normal bucket < Bucket B Therefore, the bucket A has cold water, whereas bucket B has hot water, compared to the water with the normal water.

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