2444

Physics Modern Physics Level: High School

Dual Nature

The human eye can detect as few as three photons of 5.6 x 10 (to the -7) m light arriving together . How much energy do these three photons collectively represent ?

2105

Physics Modern Physics Level: High School

Photoelectric effect

When the frequency of light is decreased in a photoelectric effect , the energy of the emitted electrons

a) increase

b) decrease

c) stays the same

d) becomes more quantized

e) become less quantized