Question

A prism having angle of prism ${60}^0$ and other one having ${45}^0$. Which of the following prism will deviate more?

• A. The prism having angle of prim ${45}^0$
• B. The prism having angle of prim ${60}^0$
• C. Both the prism will deviate same
• D. None of the above

Answer 1

Answer: (B)

The prism having angle of prim ${60}^0$

Angle of deviation of light $\delta =(\mu -1)A$

where $\mu$ and $A$ represents the refractive index of the prism and angle of prism, respectively.

Thus greater the angle of prism $\left(A\right)$, greater is the deviation $\left(\delta \right)$ by the prism.