Light of wavelength 550 nm forms a first-order maximum at an angle θ after passing…

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

Light of wavelength 550 nm forms a first-order maximum at an angle θ after passing through a diffraction grating that has 1200 lines per millimeter. Which of the following is closest to θ? (a)

34^{\circ}

(b)

41^{\circ}

(c)

26^{\circ}

(d)

51^{\circ}

Related theory

AP Bridge: Advanced Optics
Diffraction
Waves

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