Physics · Radiation and Emission
A shining metal ball with a black spot on its surface is heated to a high temperature and immediately viewed in a dark room. Which of the following statements correctly describes its appearance?
- 1Both the ball and the black spot become completely invisible in the dark
- 2The shining ball appears dull while the black spot shines brilliantly✓
- 3The shining ball becomes brighter while the black spot remains completely dark
- 4The entire ball shines uniformly including the spot
Correct answer
The shining ball appears dull while the black spot shines brilliantly
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