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

  • 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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