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 bucket 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. This means that the water in the normal bucket is at a temperature that is higher than that of bucket A. Similarly, we can conclude that water in the normal bucket is at a temperature lower than that of water in bucket B because his left-hand felt colder. In other words, the order of temperatures in the buckets is as follows: Bucket A < Normal bucket < Bucket B Therefore, bucket A has cold water whereas bucket B has hot water, compared to the water in the normal bucket.

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