Question

A transparent refracting medium bounded by two surfaces, of which at least one is spherical, is called a:

विकल्प

• Mirror

• Lens

• Slab

• Prism

Answer 1

A lens is defined as a transparent refracting medium bounded by two surfaces, of which at least one is spherical. Light passing through a lens undergoes refraction at both curved surfaces, and this combined effect produces image formation.