Q. Which of the light effective in the formation of chlorophyll?
A) Sodium lamp
B) Neon lamp
C) Mercury lamp
D) Argon lamp
Explanation
(b)
When an electric discharged is passed through $Ne$ gas in a tube at low pressure, an orange red light is produced which is effective in the formation of chlorophyll and is used in green houses
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.