Traveling at their current speeds, how long would it take the Pioneer and Voyager probes to travel the distance to the nearest stars?
A) at least 100,000 years
B) several billion years
C) around 4.4 years
D) about a 1,000 years
Question 2
In the two-slit experiment, monochromatic light of wavelength 600 nm passes through a pair of slits separated by 2.20 x 10-5 m.
(a) What is the angle corresponding to the first bright fringe?
(b) What is the angle corresponding to the second dark fringe?