Multiple Choice
A laser shines 630-nm light through a grating producing a first-order (m = 1) maximum at an angle of 30°.A second laser produces a first-order maximum with the same grating at 20°.What is the wavelength emitted by the second laser?
A) 945 nm
B) 651 nm
C) 420 nm
D) 431 nm
Correct Answer:
Verified
Correct Answer:
Verified
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