Light travels through water in a beaker. The | vedclass

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Question

(A) The velocity of light in a medium is given by $v = \frac{C}{\mu_{w}}$,where $C$ is the speed of light in air and $\mu_{w}$ is the refractive index

Vedclass · Accepted Answer

$\frac{\mu_{w} h}{C}$

Vedclass · Answer

(A) The velocity of light in a medium is given by $v = \frac{C}{\mu_{w}}$,where $C$ is the speed of light in air and $\mu_{w}$ is the refractive index of water.Time taken $(t)$ to travel a distance $h$ is given by the formula: $t = \frac{	ext{distance}}{	ext{velocity}}$.Substituting the values,we get $t = \frac{h}{v}$.Since $v = \frac{C}{\mu_{w}}$,we substitute this into the time equation:$t = \frac{h}{(C / \mu_{w})} = \frac{h \mu_{w}}{C}$.Therefore,the correct option is $A$.

Light travels through water in a beaker. The height of the water column is $h$. If the refractive index of water is $\mu_{w}$ and $C$ is the velocity of light in air,the time taken by light to travel through the water will be:

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