Math, asked by Anonymous, 10 months ago

A cube of side 15cm is having an air bubble. The bubble appears at 6cm from one face and at 4cm from opposite face .the refractive index of cube is

Answers

Answered by Anonymous
3

SoluTion :-

Let the real depth of the object from one side be x

\sf {\mu=\frac{x}{6}  =\frac{15-x}{4} }

Solving for x, gives us,

\sf {2x=45-3x}\\\\\sf {2x+3x=45}\\\\\sf {5x=45}\\\\\sf {x = \frac{45}{5} }\\\\\sf {x=9}

\sf {\therefore\ The\ value\ of\ \mu\  = \frac{9}{6}  =1.5}

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