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A hot water kept in a beaker placed in a...

A hot water kept in a beaker placed in a room cools from `60^(@)C` to `50^(@)C` in 8 min. then the time taken by it to cool from `50^(@)C` to `40^(@)C` is

A

8 min

B

more than 8 min

C

less than 8 min

D

depends on quantity of water in a beaker

Text Solution

Verified by Experts

The correct Answer is:
B
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NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Newtons Law of Cooling)
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  12. A body cools at the rate of 0.6^(@)C//s when it is 40^(@)C above the s...

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  14. A body cools at the rate of 3^(@)C//min when its temperature is 50^(@)...

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  15. A body cools at the rate of 0.75^(@)C//s when it is 50^(@)C above the ...

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  16. A sphere and a cube of equal volumes both are made of iron and have si...

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