You create a single-slit interference pattern by shinning light of wavelength 520 nm through a slit width unknown width. You shine the light so that it hits a screen across the room, 4.5 m from the slit. The central bright maximum has a width of 5cm. What is the width of the slit?

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Option b is 2lambda or only lamba. Please elaborate correctly. I will rate accordingly with multiple votes.
You create a single-slit interference pattern by shinning light of wavelength 520 nm through a slit
width unknown width. You shine the light so that it hits a screen across the room, 4.5 m from the slit.
The central bright maximum has a width of 5cm. What is the width of the slit?
Transcribed Image Text:You create a single-slit interference pattern by shinning light of wavelength 520 nm through a slit width unknown width. You shine the light so that it hits a screen across the room, 4.5 m from the slit. The central bright maximum has a width of 5cm. What is the width of the slit?
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