1.

A polished metal plate with a rough black spot on it is heated to about 1400K and quickly taken to a dark room.Which of the following statements is ture?

Answer»

The SPOT will APPEAR brighter than the PLATE.
The spot will appear darke than the plate
The spot and the plate will appear EQUALLY bright
The sopt and the plate will not be visiblein the dark room

Answer :A


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