IDNLearn.com offers a user-friendly platform for finding and sharing knowledge. Join our Q&A platform to get accurate and thorough answers to all your pressing questions.

A helium-neon laser (⋌= 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.5^o, what is the line spacing, d? * 1 point
1.81 x 10^-6 m
1.00 x 10^-5 m
1.00 x 10^-4 m
1.31 x 10^-6 m
6.76 x 10^-7 m