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You are here: Home / Class 10 / Light-Reflection and Refraction / Refraction by spherical lenses

Refraction by spherical lenses

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal Leave a Comment

Question 1 What is a lens?

Question 2 How many type of lens are them?

Question 3 What is a convex lens?

Question 4 What is a concave lens?

Question 5 Draw Bi-convex,plane-convex and concavo-convex lens?

Question 6 Draw Bi-concave,plane-concave and convexo-concave lens?

Refraction by spherical lenses

Lens is a transparent medium bounded by two refracting surfaces.

Types of lenses:

1)Convex or converging

convex lens
2)Concave or diverging

conacve lens

Convex lens

A lens having both spherical surface or one spherical and other plane surface.

It is thick in the middle and thin at the edges.

They are of 3 types:

a)Bi-convex

Bi-convex lens
b)Plane-convex

Plane-convex

c)Concavo-convex

Concavo-convex

Concave lens

a)Bi-concave

Bi-concave


b)Plane-concave

Plane-concave
c)Convexo-concave

convexo-concave

Filed Under: Class 10, Light-Reflection and Refraction Tagged With: bi-concave lens, bi-convex lens, concavo-convex lens, convex lens, convexo-concave lens, plane-concave lens, Plane-convex lens, spherical lens

About Mrs Shilpi Nagpal

Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. She has started this educational website with the mindset of spreading Free Education to everyone.

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