If $\mathrm{r}_1, \mathrm{r}_2$ are the angle of refraction at first face and second face of a prism, then…

If $\mathrm{r}_1, \mathrm{r}_2$ are the angle of refraction at first face and second face of a prism, then the angle of the prism is
  1. $r_1-r_2$
  2. $\frac{\left(r_1-r_2\right)}{2}$
  3. $\frac{\left(r_1+r_2\right)}{2}$
  4. $r_1+r_2$

Solution


Angle of prism is given as, $A=r_1+r_2$

Asked in: AP EAMCET 2023 (18 May Shift 2)

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