Please show all work and provide justification for answers.
1. Waves show the phenomena of reflection, diffraction, refraction, interference, and absorption. Associate at least one or two of these with each of the following.
a. You see a mirage.
b. You hear someone whispering just around the corner in the next room.
c. You see a rainbow in the sky.
d. The sunset is red.
e. You hear beats when two guitar strings are plucked simultaneously.
f. You hear an echo.
g. You see yourself in a mirror
a. What is the energy of each photon of yellow light?
b. How many photons does the sun emit every day?
3. What were 3 examples of problems in physics at the turn of the 20th century (around 1900) that led to the development of quantum mechanics?
a. How much energy (in joules) would be released?
c. How many power plants is this equal to in output?