Photon Energy: 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
Answer: C
Physics & Space Science
You might also like to view...
By definition, our Sun has a mass-to-light ratio of 1 solar mass per solar luminosity
Indicate whether the statement is true or false
Physics & Space Science
The study of the oscillations of the surface and interior of the Sun is known as ____________________
Fill in the blank(s) with correct word
Physics & Space Science
Among the following items, the largest single source of radiation in the environment is
A) fallout. B) radon. C) medical diagnosis. D) nuclear power plants. E) cosmic rays.
Physics & Space Science
The warmth you feel from the Sun at the beach is an example of __________
Fill in the blank(s) with correct word
Physics & Space Science