

MCQOPTIONS
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1. |
A polished metal plate with rough black spot on it is heated to about 2000 K and quickly taken to a dark room. Then the spot |
A. | Will appear brighter than the plate |
B. | Will appear darker than the plate |
C. | And the plate will appear equally bright |
D. | None of the above |
Answer» B. Will appear darker than the plate | |