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← ScienceWhich consequence results when a laser passes through diffraction grating?
A)Increased transmission at specific angles✓
B)Decreased beam divergence generally occurs
C)Frequency shift and energy changes
D)Polarization reversal within beam profile
💡 Explanation
Increased transmission at specific angles occurs because constructive interference concentrates light at points defined by the grating’s spacing and wavelength; therefore, diffraction creates bright spots at specific angles, rather than a continuous spread, because of where amplification and cancellation take place.
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