Problem 2.. For the below question, fill in the empty boxes with your answer (YOUR ANSWER MUST BE ONLY A NUMBER; DO NOT WRITE UNITS; DO NOT WRITE LETTERS). An expanded laser beam Ao = 416 nm is incident on an aperture screen containing two very narrow horizontal slits separated by a distance d = 0.3686 mm. A fringe pattern appears on a viewing screen held a distance L = 1.338 m away. Aperture screen 5 P. S₂ y = 0 = a) i How far (in mm) above the central axis is the third zero of irradiance? mm y = fourth bright band? 12 b) [. How far (in rad) above the central axis are the third zero of irradiance? (Assume is small and take 0 = sin(0) =tan(0)). Viewing screen rad mm P O How far (in mm) from the axis is the

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Problem 2.
For the below question, fill in the empty boxes
with your answer (YOUR ANSWER MUST BE
ONLY A NUMBER; DO NOT WRITE UNITS; DO
NOT WRITE LETTERS).
An expanded laser beam Ao = 416 nm is incident
on an aperture screen containing two very narrow
horizontal slits separated by a distance d =
0.3686 mm. A fringe pattern appears on a
viewing screen held a distance L = 1.338
m away.
Aperture screen
S₁
Po
S₂
y =
0 =
mm
y =
ri
a) i=
] How far (in mm) above the central axis
is the third zero of irradiance?
fourth bright band?
L
mm
12
b) [t
How far (in rad) above the central axis
are the third zero of irradiance? (Assume is
small and take = sin(0) = tan(0)).
rad
Viewing screen
P
O
How far (in mm) from the axis is the
Transcribed Image Text:Problem 2. For the below question, fill in the empty boxes with your answer (YOUR ANSWER MUST BE ONLY A NUMBER; DO NOT WRITE UNITS; DO NOT WRITE LETTERS). An expanded laser beam Ao = 416 nm is incident on an aperture screen containing two very narrow horizontal slits separated by a distance d = 0.3686 mm. A fringe pattern appears on a viewing screen held a distance L = 1.338 m away. Aperture screen S₁ Po S₂ y = 0 = mm y = ri a) i= ] How far (in mm) above the central axis is the third zero of irradiance? fourth bright band? L mm 12 b) [t How far (in rad) above the central axis are the third zero of irradiance? (Assume is small and take = sin(0) = tan(0)). rad Viewing screen P O How far (in mm) from the axis is the
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