Hint: Use a small angle approximation; e.g.,
sin θ = tan θ .
Light of wavelength 524 nm falls on a double slit. The second-order bright bands appear at y2 on either side of the central bright
line.
y2
1.62 m
28
µ
mS1
S2
θ
viewing
screen
How far from the central bright line are the
second order bright fringes?
Answer in units of mm.