|
Question
The human eye can just detect green light of wavelength 500 nm if it arrives at the retina at the rate of 2 × 10-18 W. How many photons arrive each second? (c = 3.0 × 108 m/s, h = 6.626 × 10-34 J ∙ s)
Answer
15
Seconds
thank you
Add Comment
|
Explore
Post your homework questions and get free online help from our incredible volunteers
1227 People Browsing
125 Signed Up Today
Your Opinion
Courses by Biology Forums
It's sore throat season, why does my mucus have red spots?
Bonobos, Chimpanzees, and the 98% DNA Link
Strange Ingredients Lurking in Doritos Chips
The Toxic Skin and Fungi Defense
|