Q. In case of frosted GLS lamps, frosting of shell is done by ........... ?

  • (A) Acid etching
  • (B) ammonia
  • (C) ozone
  • (D) salt water
✅ Correct Answer: (A) Acid etching

Published by Jitendra Singh ⭐ 7.50K Points at 08-Feb-2025 03:31 pm in Physics

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