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The refractive index of the material of ...

The refractive index of the material of the prism and liquid are 1.56 and 1.32 respectively. What will be the value of `theta` for the following refraction ?

A

`(12pm0.3)cm`

B

12 cm

C

`(2pm0.3) cm`

D

`(2pm0.6)cm`

Text Solution

Verified by Experts

The correct Answer is:
A
`a=5cm, Deltaa=0.1cm`
`b=7cm, Deltab=0.2cm`
If `x=a+b` is the total length, then
`Deltax=Deltaa=Deltab=0.1+0.2=0.3cm`
and `x=(5+7)pm0.3=(12pm0.3)cm`
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