Transmission Of Heat Question 154
Question: The cause of Fraunhoffer lines is
[RPMT 1996; EAMCET 2001]
Options:
A) Reflection of radiations by chromosphere
B) Absorption of radiations by chromosphere
C) Emission of radiations by chromosphere
D) Transmission of radiations by chromosphere
Show Answer
Answer:
Correct Answer: B
Solution:
When the light emitted from the sun’s photosphere passes through it’s outer part Chromosphere, certain wave lengths are absorbed. In the spectrum of sunlight, a large number of dark lines are seen called Fraunhoffer lines.