Question

In a rectangular glass block, an air bubble is seen from side faces. In left view it is appeared to be raisedby 3mm and in right view it is appeared to be raised by 4mm, find the length of glass block.​

Answer 1

A small air bubble is inside a transparent cube of side length 24cm and of refractive index

34

. If the apparent distance of air bubble from a face is 9cm then its apparent distance from opposite face is :

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Answer

Correct option is

C

9cm

We know that (Real depth) / (Apparent depth) =μ

Now, According to question,

9real dept = 34

⇒ real depth = 12cm.

Example ↑

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$\huge \pink{✿} \red {C} \green {u} \blue {t} \orange {e} \pink {/} \red {Q} \blue {u} \pink {e} \red {e} \green {n} \pink {♡}$

Answer 2

this is the correct answer for this question