The type of glass used in making lenses and prism is___________?
Correct answer: C. Flintglass
- A. Pyrex glass
- B. jena glass
- C. Flintglass
- D. Soft glass
Explanation
Flint glass is dense and has a high refractive index, making it suitable for optical lenses and prisms. Pyrex is valued mainly for heat resistance, while soft glass is not the standard optical choice.
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