A-LevelPhysicsSuperposition9702/12 · Feb/Mar 2019 · Q291 Mark
A diffraction grating experiment is set up using orange light of wavelength 600 nm. The grating has a slit separation of 2.00 μm. [Figure 29.1] What is the angular separation (θ₂ – θ₁) between the first and second order maxima of the orange light?
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A17.5°
B19.4°
C36.9°
D54.3°
✓ Correct answer
B: 19.4°
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