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A Young's Double Slit Has a Slit Separation of 1

Question 15

Multiple Choice

A Young's double slit has a slit separation of 1.9 × 10−5 m on which a monochromatic light beam is directed.The resultant bright fringes on a screen 0.8 m from the double slit are separated by 2.3 × 10−2 m.What is the wavelength of this beam? (1 nm = 10−9 m)


A) 16 nm
B) 287 nm
C) 546 nm
D) 546 nm.
E) ​350 nm

Correct Answer:

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