Author Question: All real images a. cannot be focused on a screen. b. are erect. c. can be focused on a screen. ... (Read 135 times)

jparksx · **on:** Jul 28, 2018

All real images
a. cannot be focused on a screen.
b. are erect.
c. can be focused on a screen.
d. are inverted.

Question 2

An electron (m = 9.1 1031 kg) has a speed of 0.90 c. What is the difference between its relativistic momentum and its non-relativistic momentum (in kg m/s)?
a. 4.3 1022
b. 3.2 1022
c. 5.4 1022
d. 6.5 1022
e. 2.5 1022