Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
Chery Chery
wrote...
Go to Answer
Posts: 3587
Rep: 26 1
7 years ago
Each photon in a beam of light has an energy of 4.20 eV. What is the wavelength of this light? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ∙ s, 1 eV = 1.60 × 10-19 J)
A) 321 nm
B) 103 nm
C) 296 nm
D) 412 nm
E) 420 nm
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 208 times
2 Replies
Replies
Answer verified by a subject expert
HotMathHotMath
wrote...
#1
Top Poster
Posts: 629
Rep: 134 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Chery Author
wrote...
#2
7 years ago
You're right again!

Appreciate it
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1287 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 90
  
 2258
  
 313
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 431
Previous poll results: Where do you get your textbooks?