Question

If the speed of light is 3x10 ^8 find the speed of light in medium of absolute refractive index 1.5

Answer 1

Answer:

$n = c \div v$

$n = 1.5 \\ c = 3 \times {10}^{ - 8 } \\ 1.5 = 3 \times {10}^{ - 8} \div v \\ v = 3 \times {10}^{ - 8} \div 1.5 \\ v = 2 \times {10}^{ - 8}$

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