GS PrelimsScience and TechnologyGeneral Science2007

Which one of the following types of glass can cut off ultraviolet rays?

Soda glass

Pyrex glass

Jena glass

Crookes glass

Correct Answer: Option D

Explanation

1. Ultraviolet (UV) rays can be harmful. 2. Crookes glass is a type of glass containing cerium oxide, which strongly absorbs ultraviolet rays. 3. Soda glass, Pyrex glass, and Jena glass do not have the same level of UV absorption capabilities.

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