In Young’s double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance D must be changed to
A. 2D
B. \(\frac{D}{2}\)
C. √2D
D. \(\frac{D}{\sqrt{2}}\)
Answer:A
In Young’s double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance D must be changed to
A. 2D B. \(\frac{D}{2}\) C. √2D D. \(\frac{D}{\sqrt{2}}\)