Q. Which glass is usually used in optical work?

(A) lead glass
(B) fibre glass
(C) high silica (borosilicate) glass
(D) photo sensitive glass

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✅ Correct Answer: (D) photo sensitive glass

Published by Mr. Dubey ⭐ 104.84K Points at 12-Sep-2022 03:48 pm in Chemical Process Industries

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