| 1. Scattering |
| 2. Interference |
| 3.Diffraction |
| 4. Velocity of light in a denser medium is less than the velocity of light in the rarer medium |
A) \[1,2,3\]
B) \[1,2,4\]
C) \[2,3,4\]
D) \[1,3,4\]
Correct Answer: C
Solution :
\[2,3,4\]
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