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

question 73

Multiple Choice

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 maximum nearest the 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"