Question:

-D Light with a wavelength of 654 nm falls on double slits of width a, a distance d apart. The 8th order interference minimum is

-D
Light with a wavelength of 654 nm falls on double slits of width a, a distance d apart. The 8th order interference minimum is 11.8
cm from the central maximum on a screen 4.92 m away. The 2nd order diffraction minumum is at an angle of 1.78°
a) What is the distance d?
b) What is the width a?
A.
d = 5.26 x 10-5 m
B.
d = 2.32 x 10-4 m
d = 4.21 x 10-5 m
d = 2.18 x 104 m
THE. d = none of these answers
O'F. a = 5.26 x 10-5 m
G. a = 2.32 x 10-4 m
H. a = 4.21 x 10-5 m
1.
a = 2.18 x 10-4 m
J. a = none of these answers

-D Light with a wavelength of 654 nm falls on double slits of width a, a distance d apart. The 8th order interference minimum is 11.8 cm from the central maximum on a screen 4.92 m away. The 2nd order diffraction minumum is at an angle of 1.78° a) What is the distance d? b) What is the width a? A. d = 5.26 x 10-5 m B. d = 2.32 x 10-4 m d = 4.21 x 10-5 m d = 2.18 x 104 m THE. d = none of these answers O'F. a = 5.26 x 10-5 m G. a = 2.32 x 10-4 m H. a = 4.21 x 10-5 m 1. a = 2.18 x 10-4 m J. a = none of these answers