जॉइन Examsbookउत्तर : 3. "Flint glass"
Lens is made up of which glass5
प्र: Lens is made up of which glass
- 1Ordinary glassfalse
- 2Pyrex glassfalse
- 3Flint glasstrue
- 4Cobalt glassfalse
- उत्तर देखेंउत्तर छिपाएं
- Workspace
उत्तर : 3. "Flint glass"
व्याख्या :
Answer: C) Flint glass Explanation:

