Which one of the following of glass can cut ultraviolet rays?
Correct answer: D. Crookes Glass
- A. Jena Glass
- B. Soda Glass
- C. Pyrex Glass
- D. Crookes Glass
Explanation
Crookes glass contains compounds that strongly absorb ultraviolet radiation and was used in protective eyewear. Ordinary soda glass transmits or only partly absorbs some ultraviolet wavelengths rather than providing this specialized cutoff.
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