MCQ
For constructive interference to take place between two monochromatic light waves of wavelength $\lambda$, the path difference should be
- A$(2n - 1)\frac{\lambda }{4}$
- B$(2n - 1)\frac{\lambda }{2}$
- ✓$n\lambda $
- D$(2n + 1)\frac{\lambda }{2}$
✓
Answer
Correct option: C.
$n\lambda $
c
(c)For constructive interference path difference is even multiple of $\frac{\lambda }{2}$.
(c)For constructive interference path difference is even multiple of $\frac{\lambda }{2}$.
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