Q. The cause of Fraunhoffer lines is
A) Reflection of radiations by chromosphere
B) Absorption of radiations by chromosphere
C) Emission of radiations by chromosphere
D) Transmission of radiations by chromosphere
Explanation
(b) 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
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.