Author Question: At the first maxima on either side of the central bright spot in a double-slit experiment, light ... (Read 97 times)

mikaylakyoung · **on:** Jul 27, 2018

At the first maxima on either side of the central bright spot in a double-slit experiment, light from each opening arrives

A) in phase.
B) 90 out of phase.
C) 180 out of phase.
D) 45 out of phase.
E) -45 out of phase.

Question 2

How much compressional stress builds up in a thick aluminum bar held between 2 immovable walls if the temperature increases by 20. C? ( = 24. 10-6 C-1, Y = 7 1010 N/m2)

A) 34. 105 N/m2
B) 34. 107 N/m2
C) 34. 106 N/m2
D) 34. 104 N/m2
E) 34. 108 N/m2