Question

b) Write any three applications of spherical lenses.​

Answer 1

Answer:

Thorlabs' spherical lenses are offered with various plano, concave, and convex configurations. Substrates for our spherical lenses include N-BK7, UV fused silica, N-SF11, zinc selenide, calcium fluoride, and silicon. Broadband AR coatings are available for UV, visible, NIR, and MIR wavelengths.

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Answer 2

There are tree types of lenses

Concave , Convex, Bifocal

Mainly used in torches ,spectacles, Car rear view