The energy flux of sunlight reaching the surface of the earth is 
. The photons in the sunlight have an average wavelength of 520 nm. How many photons per square metre are incident on the earth per second?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Here, 
Number of photons incident on earth's surface per second per square metre is
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The number of photoelectrons emitted per second from a metal surface increases when
If intensity of incident light is increased in photoelectric effect, then which of the following is…
Photoelectric effect involves conversion of
The retarding potential for having zero photoelectron current
A point source of light is used in an experiment on photoelectric effect. Which of the following cu…
(I) In the experimental set-up used for studying the photoelectric effect, a monochromatic light fr…