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The bulbs of two indentical thermometers...

The bulbs of two indentical thermometers are coated one with lamp black and the other with silver. Both are exposed to the sun and their seadings are recorded :

A

both indicate sane temperature.

B

the lamp - blace coated thermometer gives higher reading initially but final temeprature is same,

C

the silver coated gives higher reading initially but final temperature is same,

D

both will show different but lower temperature than the actual.

Text Solution

Verified by Experts

The correct Answer is:
B
Since black colour absorbs more heat therefore reading of temperature of thermometer coated with lamp. Black will be more.
Thus correct choice is (b).
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