The ratio of the intensity at the centre of a bright fringe to the intensity at a point one-quarter of the distance between two fringe from the centre is
a)
2
b)
1/2
c)
4
d)
16
The ratio of the intensity at the centre of a bright fringe to the intensity at a point one-quarter of the distance between two fringe from the centre is
a)
2
b)
1/2
c)
4
d)
16
Question ID - 150188 | SaraNextGen Top Answer
The ratio of the intensity at the centre of a bright fringe to the intensity at a point one-quarter of the distance between two fringe from the centre is
a)
2
b)
1/2
c)
4
d)
16
|
The ratio of the intensity at the centre of a bright fringe to the intensity at a point one-quarter of the distance between two fringe from the centre is |
|||||||
|
a) |
2 |
b) |
1/2 |
c) |
4 |
d) |
16 |
1 Answer
127 votes
Answer Key / Explanation : (a) -
|
(a)
At central position Since the phase difference between two successive fringes is
Using (i) and (ii), |
…(i)
, the phase difference between two points separated by a distance equal to one quarter of the distance between the two, successive fringes is equal to
radian
…(ii)
127 votes
Answer Link
127