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A block of steel heated to 100^(@)C left...

A block of steel heated to `100^(@)C` left in a room to cool. Which of the following curves represent the correct behaviour ?

A

Curve A

B

Curve B

C

Curve C

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
A
At time passes the rate of cooling becomes small and hence slope decreases.
`:.` Correct choice is (a).
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