Question

Reeta asked her teacher that which
minerals cannot be used to make a lens?
What will be the ansuler given by
teacher to
her
1. Water
2 Glass
4.3: Plastic
4. clay​

Answer 1

Answer:

plastic and clay

Explanation:

plastic and clay

Answer 2

Answer:

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

(a) Water

(b) Glass

(c) Plastic

(d) Clay

Ans. (d) Clay