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Q: Value of refractive index can be calculated by using :
  • A. Newton's law
  • B. Ohm's law
  • C. Snell's law
  • D. Maxwell's law
Correct Answer: Option C - Snell's law is used to calculate the value of Refractive index. Ohm's law is related to resistance, and Newton's law is related to motion. Thus option (3) is correct.
C. Snell's law is used to calculate the value of Refractive index. Ohm's law is related to resistance, and Newton's law is related to motion. Thus option (3) is correct.

Explanations:

Snell's law is used to calculate the value of Refractive index. Ohm's law is related to resistance, and Newton's law is related to motion. Thus option (3) is correct.