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

question 55

Multiple Choice

A Young's double-slit apparatus is set up where a screen is positioned 0.80 m from the double slits.If the distance between alternating bright fringes is 0.95 cm,and the light source has a wavelength of 580 nm,what is the separation of the double slits? (1 nm = 10^-9 m)

• A)2.8 ´ 10^-5 m
• B)4.9 ´ 10^-5 m
• C)5.6 ´ 10^-5 m
• D)6.0 ´ 10^-5 m

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