Physics · Wave Optics
A diffraction grating has 15 cm of surface ruled with 6000 lines per cm. What is the dispersive power of the grating at an angle of θ = 60° in the first order?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12000 rad/cm
- 28000 rad/cm
- 320000 rad/m✓
- 48000 rad/m
Correct answer
20000 rad/m
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