Question

Figure shows wavefront $P$ passing through two systems $A$ and $B$, and emerging as $Q$ and then as $R$. The systems $A$ and $B$ could, respectively, be

• A. a prism and a convergent lens
• B. a convergent lens and a prism
• C. a divergent lens and a prism
• D. a convergent lens and a divergent lens

Answer 1

Answer: (B)

$P$ to $Q$ : convergence increasing; $Q$ to $R$ : direction changing.