Question
What is lens? State their types and draw their diagram.
✓
Answer
→A structure formed by two refracting surfaces and capable of forming an image is called a lens.
→Types of lenses :
(1) Convex lens
(2) Concave lens
(3) Plano convex lens
(4) Plano concave lens
(5) lens formed by meniscus
→Types of lenses :
(1) Convex lens
(2) Concave lens
(3) Plano convex lens
(4) Plano concave lens
(5) lens formed by meniscus
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