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1610

Q: Lens is made up of which glass

  • 1
    Ordinary glass
  • 2
    Pyrex glass
  • 3
    Flint glass
  • 4
    Cobalt glass
  • उत्तर देखें
  • Workspace

Answer : 3. "Flint glass"
Explanation :

Answer: C) Flint glass Explanation:

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