A beam of light parallel to central line AB is incident on the plane of slits in a YDSE experiment as shown. The number of minima obtained on the large screen is  Now if the beam is tilted by some angle  as shown in the figure, then the number of minima obtained is  Then: |
 |
A) \[{{n}_{1}}={{n}_{2}}\]
B) \[{{n}_{1}}>{{n}_{2}}\]
C) \[{{n}_{2}}>{{n}_{1}}\]
D) none of these
Correct Answer: A
Solution :
The number of minima on screen shall remain same on tilting the beam by some angle \[{{(}^{1}}90{}^\circ ).\]
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