When Light of a Certain Wavelength Is Incident Normally on a Certain

question 44

Multiple Choice

When light of a certain wavelength is incident normally on a certain diffraction grating the line of order 1 is at a diffraction angle of 25°.The diffraction angle for the second order line is:

• A)25°
• B)42°
• C)50°
• D)58°
• E)75°

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