A laser beam of output power ‘P’ consists only of wavelength λ. If Planck’s constant is h and the speed of light is c, then the number of photons emitted per second is
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Pλ/hc
b
P λ/h
c
hc/P λ
d
hcλ
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
energy of each photon if n photons are coming per second then power P=nhcλn=Pλhc