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 | |