A laser with a power output of 2.00 mW at a wavelength of 400 nm is projected
Question:
A laser with a power output of 2.00 mW at a wavelength of 400 nm is projected onto calcium metal.
(a) How many electrons per second are ejected?
(b) What power is carried away by the electrons, given that the binding energy is 2.71 eV?
(c) Calculate the current of ejected electrons.
(d) If the photoelectric material is electrically insulated and acts like a 2.00-pF capacitor, how long will current flow before the capacitor voltage stops it?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
a The energy of a single photon is given by E hc where E is the energy of a single photon J h is Plancks constant 663 10 Js c is the speed of light 30...View the full answer
Answered By
Caroline Kinuthia
Taking care of the smaller details in life has a larger impact in our general well being, and that is what i believe in. My name is Carol. Writing is my passion. To me, doing a task is one thing, and delivering results from the task is another thing. I am a perfectionist who always take things seriously and deliver to the best of my knowledge.
1933+ Reviews
4269+ Question Solved
Related Book For 
Question Posted:
