alleryYoung's double-slit experiment demonstrates:
APhotoelectric effect
BQuantum tunneling
CParticle nature of light
DWave nature via interference fringes
Answer & Solution
Correct answer: D. Wave nature via interference fringes
**YDSE:** two coherent slits produce an interference pattern on a screen — alternating bright (constructive) and dark (destructive) fringes.
Demonstrates wave nature of light.
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