You are performing a two-slit interference experiment, and
you increase the slit separation. What happens to the
spacing between the fringes?
se
s
cr
ea
de
Sp
ac
in
g
in
g
ac
0 of 250
Sp
St
ay
s
in
c
th
e
re
a
sa
se
m
e
1. Stays the same
2. Spacing increases
3. Spacing decreases
33%
s
33% 33%
10
You are performing a two-slit interference experiment, and
you switch the color of light from blue to red. What
happens to the spacing between the fringes?
se
s
cr
ea
de
Sp
ac
in
g
in
g
ac
0 of 250
Sp
St
ay
s
in
c
th
e
re
a
sa
se
m
e
1. Stays the same
2. Spacing increases
3. Spacing decreases
33%
s
33% 33%
10
You are performing a two-slit interference experiment, by
shining white light on the slits. Consider any side maxima.
Is the red or the blue component of the side maxima closer
to the central maximum?
is
lig
ht
is
hi
te
lu
e
O
0 of 250
nl
y
w
B
R
ed
is
cl
cl
os
os
e
r
er
1. Red is closer
2. Blue is closer
3. Only white light is in
each maxima, so
you can’t tell
in
...
33% 33% 33%
10