Physics, 28.08.2020 01:01 DragonLovely
A beam of light falling on a metal surface is causing electrons to be ejected from the surface. If we now double the frequency of the light, which of the following statements are correct?
A. The kinetic energy of the ejected electrons doubles
B. Twice as many photons hit the metal surface as before
C. The speed of the ejected electrons doubles
D. The number of electrons ejected per second doubles
E. None of the above things occur
Answers: 3
Physics, 23.06.2019 11:20, darenl2163
The charge on a charged sphere is; 1. concentrated at its center 2. distributed uniformly throughout its volume 3. clustered on its center 4. distributed uniformly over its surface
Answers: 3
Physics, 23.06.2019 14:00, kenisonpaigebosma
What is the difference between a solar cell and a solar panels
Answers: 1
A beam of light falling on a metal surface is causing electrons to be ejected from the surface. If w...