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There is a rough black spot on a polishe...

There is a rough black spot on a polished metallic plate. If the plate is heated up to 1400 K (approximately) and then at once taken in a dark room, then

A

Darker than plate

B

Brighter thabn plate

C

Equally bright

D

Equally dark

Text Solution

Verified by Experts

The correct Answer is:
B
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