CAPE Physics Unit 1 · 2010 · Paper 1 · Question Q27
For a double slit interference pattern using light, the separation of fringes will increase if I. Blue light is used instead of red. II. The screen is moved away from the slits. III. The slits are brought closer together.
- (A)I only
- (B)I and II only
- (C)II and III only
- (D)I, II and III
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