Please help with this hard physics questions?

A grating has exactly 7000 lines uniformly spaced over 2.54 cm and is illuminated by light from a mercury vapor discharge lamp. What is the expected angle for the third-order maximum of the green line ( = 546 nm)?

2006-12-11 04:50:10 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Physics

1 answers

23 degrees

2006-12-11 04:58:50 · answer #1 · answered by Shawn H 6 · 0⤊ 0⤋

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