wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Calculate the number of photons emitted in 10 hours by a 60 W sodium lamp emitting radiations of wavelength 6000Ao

Open in App
Solution

E=nhc/λ
λ=6000×1010
h=6.6×1034
E(joule)=watt×second
=60×10×60×60=2160000 J
n=Eλ/hc
after solving we get
n=6.4×1024 photons

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Photoelectric Effect
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon