A diffraction grating with 396 lines/mm is illuminated with light of wavelength $343 \mathrm {~nm}$. What is the angular separation between the two second-order bright fringes?
A) $32.9 ^ { \circ }$
B) $31.5 ^ { \circ }$
C) $15.8 ^ { \circ }$

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The Answer of A diffraction grating with 396 lines/mm is illuminated with light of wavelength $343 \mathrm {~nm}$. What is the angular separation between the two second-order bright fringes?
A) $32.9 ^ { \circ }$
B) $31.5 ^ { \circ }$
C) $15.8 ^ { \circ }$

A Diffraction Grating with 396 Lines/mm Is Illuminated with Light 343 nm343 \mathrm {~nm}343 nm

A Diffraction Grating with 396 Lines/mm Is Illuminated with Light $343 \mathrm {~nm}$