A beam of light crept from air to water. If the refractive index for water is 1.5; air refractive index is 1 and the speed of light propagation in the air is 3 × 10 ^ 8 so determine the speed of light propagation in water?
Answers
Answered by
1
Known :
na = 1.5
nu = 1
vu = 3x10⁸ m / s
Asked: Va?
Answered:
Va / Vu = nu / na
Va / 3x10⁸ = 1 / 1.5
Va = 1 / 1.5 x 3x10⁸
Va = 2x10⁸ m / s
Answered by
0
Known :
na = 1.5
nu = 1
vu = 3x10⁸ m / s
Asked: Va?
Answered:
Va / Vu = nu / na
Va / 3x10⁸ = 1 / 1.5
Va = 1 / 1.5 x 3x10⁸
Va = 2x10⁸ m / s
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