Which one of the following materials cannot be used to make a lens?

(a) Water (b) Glass (c) Plastic (d) Clay

 

Answer

(d) Clay

 

Explanation

Since Clay is an opaque object, 

light cannot pass through it

 

Hence, it can not be used to make a lens.

  1. Class 10
  2. Chapter 10 Class 10 - Light - Reflection and Refraction

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo