Author Question: What is the energy of a photon with a frequency of 5.2 1014 Hz? a. 3.4 10-19 J b. 1.3 10-20 J ... (Read 90 times)

oliviahorn72 · **on:** Jul 28, 2018

What is the energy of a photon with a frequency of 5.2 1014 Hz?
a. 3.4 10-19 J
b. 1.3 10-20 J
c. 0.8 10-20 J
d. 0.3 10-21 J

Question 2

Two identical silver spheres of mass m and radius r are placed a distance R (sphere 1) and 2R (sphere 2) from the sun respectively. The ratio of the pressure of solar radiation on sphere 2 to that on sphere 1 is
a. 0.25.
b. 0.50.
c. 1.0.
d. 2.0.
e. 4.0.