Question

light travels with a velocity 2.8 × 10 raise to 8 m/s in a medium .on entering second medium ist velocity becomes 1.4 × 10 raise to 8 m/s.what is the refractive index of the second medium with respect to the first medium?​

Answer 1

QUESTION:

light travels with a velocity 2.8 × 10 raise to 8 m/s in a medium .on entering second medium ist velocity becomes 1.4 × 10 raise to 8 m/s.what is the refractive index of the second medium with respect to the first medium ?

ANSWER:

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Answer 2

Answer:

n=2

v¹= 2.8×10⁸

v²= 1.4 ×10⁸

²n¹= v¹/v²

= 2.8×10⁸/1.4× 10⁸

= 2