If in a Young’s double-slit set-up the slit separation is halved while the wavelength…
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
If in a Young’s double-slit set-up the slit separation is halved while the wavelength of light and the screen distance remain unchanged, how does the fringe width change?
(a) It becomes one-quarter
(b) It becomes half
(c) It becomes double
(d) It becomes four times