The diagram shows a single slit with the direction to a point P on a distant screen (not shown).At P, the pattern has its second minimum (from its central maximum).If X and Y are the edges of the slit, what is the path length difference (PX)- (PY)?
A)"$\lambda$/2"
B)"$\lambda$"
C)"3$\lambda$/2"
D)"2$\lambda$"
E)"5$\lambda$/2"

Question

The diagram shows a single slit with the direction to a point P on a distant screen (not shown).At P, the pattern has its second minimum (from its central maximum).If X and Y are the edges of the slit, what is the path length difference (PX)- (PY)? 
A)"$\lambda$/2" 
B)"$\lambda$" 
C)"3$\lambda$/2" 
D)"2$\lambda$" 
E)"5$\lambda$/2"

Quizplus · Accepted Answer

The Answer of The diagram shows a single slit with the direction to a point P on a distant screen (not shown).At P, the pattern has its second minimum (from its central maximum).If X and Y are the edges of the slit, what is the path length difference (PX)- (PY)? 
A)"$\lambda$/2" 
B)"$\lambda$" 
C)"3$\lambda$/2" 
D)"2$\lambda$" 
E)"5$\lambda$/2"

The Diagram Shows a Single Slit with the Direction to a Point