A polished metal plate has a rough and black-spot. It is heated to 1400 K

A polished metal plate has a rough and black-spot. It is heated to 1400 K and brought immediately in dark room. Then

Options

(a) The spot will appear darker than the plate
(b) The spot will appear brighter than the plate
(c) The spot and plate will appear equally bright
(d) The spot will appear darker and brighter than the plate periodically

Correct Answer:

The spot will appear brighter than the plate

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. The transition from the state 3 n = 3 to n = 1 in a hydrogen like atom results
  2. In nuclear fission, the percentage of mass converted into energy is about
  3. “On flowing current in a conducting wire the magnetic field is produced around it”.
  4. One milligram of matter on convertion into energy will give
  5. The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃