The speed of light in the new type of plastic is (2.11 ) 10^8 metre per second .calculate its refractive index
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Refractive index = speed of light in vacuum/speed of light in medium
RI=3×10^8/2.11×10^8
=3/2.11
=300/211
=1.42
I hope its help you.
RI=3×10^8/2.11×10^8
=3/2.11
=300/211
=1.42
I hope its help you.
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