light enters from air to glass having refractive index 1.5 what is the speed of light in the glass ?the speed of light is vacuum is 3x10 tace 8 m/s
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Answered by
1422
Refractive Index = Speed of light in vaccum/speed of light in medium
1.5 = 3×10^8/speed of light in glass
Speed of light in glass
= (3×10^8)/1.5
= 2× 10^8 m/s
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1.5 = 3×10^8/speed of light in glass
Speed of light in glass
= (3×10^8)/1.5
= 2× 10^8 m/s
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Answered by
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GIVEN : The refractive index of glass with respect to air is 1.5 and
The refractive index of glass = speed of light in vacuum/speed of light in glass
so , speed of light in glass = speed of light in vacuum /refractive index of glass
= 3×10tace 8÷1.5
= 2×10tace 8 m/s
The speed of light in glass is 2×10tace 8 m/s
The refractive index of glass = speed of light in vacuum/speed of light in glass
so , speed of light in glass = speed of light in vacuum /refractive index of glass
= 3×10tace 8÷1.5
= 2×10tace 8 m/s
The speed of light in glass is 2×10tace 8 m/s
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