Please tell this question fast.
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Answered by
32
Answer:
I think 5/3
Explanation:
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Answered by
1
Answer:
Option D
Explanation:
refractive index = speed of light/ speed in medium
speed of light is constant, so R.I is inversely related with speed in medium :
n1/n2 = v2/v1
v2 = 125 (100 + 25 increase)
v1 = 100 (assumed)
125/100 = 5/4
THEREFORE OPT D
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