In the set up shown in Fig the two slits, 
and 
are not equidistant from the slit 
. The central fringe at 
is then
.png)
a)
Always bright
b)
Always dark
c)
Either dark or bright depending on the position of 
d)
Neither dark nor bright
and are not equidistant from the slit . The central fringe at is thena)
Always bright
b)
Always dark
c)
Either dark or bright depending on the position of
d)
Neither dark nor bright
Question ID - 150025 | SaraNextGen Top Answer In the set up shown in Fig the two slits, and are not equidistant from the slit . The central fringe at is then
a)
Always bright
b)
Always dark
c)
Either dark or bright depending on the position of
d)
Neither dark nor bright
In the set up shown in Fig the two slits, and are not equidistant from the slit . The central fringe at is then
|
a) |
Always bright |
b) |
Always dark |
|
c) |
Either dark or bright depending on the position of |
d) |
Neither dark nor bright |
1 Answer
127 votes
Answer Key / Explanation : (c) -
|
(c) If path difference
|
the central fringe at 
is a bright fringe and if the path difference 
the central bright fringe will be a dark fringe127 votes
Answer Link
127