SaraNextGen Study App [2023-24]
Last Updated On 01-06-2023 - By Jeesha Sara

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


Question ID - 150025 :-

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
5876 Votes
3537

Answer Key : (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 fringe



Next Question :

In Young’s double slit experiment, if one of the slits is closed fully, then in the interference pattern

a)

A bright slit will be observed, no interference pattern will exist

b)

The bright fringes will become more bright

c)

The bright fringes will become fainter

d)

None of the above


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