Answers

2016-01-27T23:40:04+05:30
REFRACTIVE INDEX OF GLASS=1.5
REFRACTIVE INDEX OF WATER=1.3
SPEED OF LIGHT IN WATER=2.25*10∧8
1.5/1.3=X/2.25*10∧8
X=SPEED OF LIGHT IN WATER
X=2.25*10∧8*1.3/1.5
X=2*10∧8 m/s (APPROX)
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2016-01-27T23:42:28+05:30

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refractive index of a medium = (speed of light in air)/( speed of light in that medium)
refractive index of a medium= c/v
⇒c = v× refractive index of that medium
A/q,
2.25×10^8 ×1.3 = V× 1.5
V = 1.95 ×10^8 m/s
speed in glass is 1.95 ×10^8 m/s
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