Question : Lens is made up of:
Option 1: Pyrex glass
Option 2: Flint glass
Option 3: Ordinary glass
Option 4: Cobalt glass
Correct Answer: Flint glass
Solution : The correct option is Flint glass.
There are several materials that can be used to make lenses, and flint glass is one of the most widely utilized types of glass in lens manufacturing. Since flint glass has a relatively high refractive index compared to other forms of glass, it can bend light more easily. For specific optical applications, this feature makes it valuable.
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