Light of wavelength 630 nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is 45 mm from the central fringe on a screen 3.0 m away. What is the separation of the two slits?
1 answer:
Answer:
d = m× λ⇒ d = λ ×m×l / x
= 630× m × 3×3m/ 45× m
= 1.26× m
Explanation:
the above calculation is based on Young’s double slit experiment where the two slits provide two coherent light sources which results either constructive interference or destructive interference when passing through a double slit.
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