Author Question: Two slits separated by 0.10 mm are illuminated with green light (l = 540 nm). Calculate the distance ... (Read 89 times)

crobinson2013 · **on:** Jul 28, 2018

Two slits separated by 0.10 mm are illuminated with green light (l = 540 nm). Calculate the distance (in cm) from the central bright-region to the fifth bright band if the screen is 1.0 m away.
a. 2.3
b. 2.5
c. 2.7
d. 2.1
e. 2.0

Question 2

For small angle approximations
a. the angle must be 10 or less
b. the angle must be 10 radians or less
c. the angle must be 1 or less
d. the angle must be 1 radian or less
e. the angle must be 45 or less