Transmission Of Heat Question 264
Question: Four pieces of iron heated in a furnace to different temperatures show different colours listed below. Which one has the highest temperature
[MP PET 1992]
Options:
A) White
B) Yellow
C) Orange
D) Red
Show Answer
Answer:
Correct Answer: A
Solution:
At low temperature short wavelength radiation is emitted. As the temperature rise colour of emitted radiation are in the following order Red®Yellow®Blue®White (at highest temperature)