Multiple Choice
The figures below represent interference fringes. The distances from the screen to the slits is the same for each figure, and the planes of the screen and the slits are parallel. Which figure(s) represent(s) slits with the smallest spacing d between the slits? The white spaces represent the interference maxima. 
A) I.
B) II.
C) III.
D) IV.
E) V.
Correct Answer:

Verified
Correct Answer:
Verified
Q19: The figure shows two point sources of
Q20: Two slits are illuminated with green light
Q21: In a double-slit experiment using light of
Q22: When a central dark fringe is observed
Q23: The superposition of two waves E<sub>1</sub> =
Q25: Bright and dark fringes are seen on
Q26: The electric fields arriving at a point
Q27: A planar cross section through two spherical
Q28: A uniform film of oil (n =
Q29: A planar cross section through two spherical