A Young's Double-Slit Apparatus Is Set Up So That a Screen

question 63

Multiple Choice

A Young's double-slit apparatus is set up so that a screen is positioned 1.6 m from the double slits,and the spacing between the two slits is 0.040 mm.What is the distance between alternating bright fringes on the screen if the light source has a wavelength of 630 nm? (1 nm = 10^-9 m)

• A)0.016 m
• B)0.025 m
• C)0.032 m
• D)0.047 m

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