55
You visited us
55
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Physics
Instantaneous Velocity
When light ra...
Question
When light rays approach the slits as shown in the figure below, making an angle
θ
with the central axis, the fringe width will be given by
x
λ
D
y
d
, the value of
x
+
y
is
Open in App
Solution
Path difference,
Δ
x
=
d
sin
θ
+
y
d
D
For maxima,
Δ
x
=
n
λ
d
sin
θ
+
y
d
D
=
n
λ
⇒
y
d
D
=
(
n
λ
−
d
sin
θ
)
⇒
y
=
(
n
λ
−
d
sin
θ
)
D
d
Hence, maxima will occur at
y
=
−
D
sin
θ
,
λ
D
d
−
D
sin
θ
,
2
λ
D
d
−
D
sin
θ
Hence, fringe width
=
y
1
−
y
0
=
λ
D
d
−
D
sin
θ
+
D
sin
θ
=
λ
D
d
Comparing with
x
λ
D
y
d
Thus,
x
+
y
=
1
+
1
=
2
Suggest Corrections
0
Similar questions
Q.
When light rays approach the slits as shown in the figure below, making an angle
θ
with the central axis, the fringe width will be given by
Q.
When light rays approach the slits as shown in the figure below making an angle
θ
with the central axis, the number of maxima lying between
O
and the central maxima will be :
Q.
Let
S
1
and
S
2
be the two slits in Young's double-slit experiment. If central maxima is observed at
P
and angle
∠
S
1
P
S
2
=
θ
, then the fringe width for the light of wavelength
λ
will be
Q.
A weight 'W' is supported by two cables as shown in the figure below. The tension in the cable making an angle
θ
will be the minimum when the value of
θ
is
Q.
Young's double slit experimental arrangement is shown in figure. If
λ
is the wavelength of light used and
∠
S
1
C
S
2
=
θ
, then the fringe width will be :
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Speed and Velocity
PHYSICS
Watch in App
Explore more
Instantaneous Velocity
Standard XII Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app