Photon Energy: For what wavelength does a 100-mW laser beam deliver 1.6 × 1017 photons in one second? (c = 3.0 × 108 m/s, h = 6.626 × 10-34 J ? s)
A. 320 nm
B. 330 nm
C. 340 nm
D. 350 nm
Answer: A
Physics & Space Science
You might also like to view...
The Mid-Atlantic Ridge separates the South American plate and the African plate at a divergent plate boundary.
Indicate whether the statement is true or false.
Physics & Space Science
High mass stars evolve more slowly to the main sequence than lower mass stars
Indicate whether the statement is true or false
Physics & Space Science
Exclusion Principle: If ? = 4, which one of the following is a possible quantum number for n?
A. 0 B. 2 C. 3 D. 4 E. 8
Physics & Space Science
What type of software are SnagIt and FullShot?
A. photo sharing B. image-editing C. screen capture D. digital photography
Physics & Space Science