A polished metal plate has rough and black spot. It is heated to 1400 – McqOptions

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1.	A polished metal plate has rough and black spot. It is heated to 1400 K and brought immediately in dark room. Then
A.	The spot will appear darker than the plate
B.	The spot will appear equally bright
C.	The spot will appear darker and brighter than the plate periodically
D.	The spot will appear brighter than the plate
Answer» E.

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