Author Question: A system of a proton and an electron has a net charge of a. +1.6 10-19 C. b. 1.6 10-19 C. c. ... (Read 62 times)

clmills979 · **on:** Jul 28, 2018

A system of a proton and an electron has a net charge of
a. +1.6 10-19 C.
b. 1.6 10-19 C.
c. 3.2 10-19 C.
d. zero.

Question 2

Two slits are illuminated with green light ( = 540 nm). The slits are 0.05 mm apart and the distance to the screen is 1.5 m. At what distance (in mm) from the central maximum on the screen is the average intensity 50 of the intensity of the central maximum?
a. 1
b. 3
c. 2
d. 4
e. 0.4