Question

# State whether true or false : Light travels faster in glass than in air.

A
True
B
False

Solution

## The correct option is B FalseFalse. we know that speed of light in any medium  is $$v=\dfrac{c}{\eta}$$.Where c is the speed of light in vacuum and $$\eta$$ is refractive index of medium . Refractive index of glass is higher than of air, so light will travel faster in air. Physics

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