Q.

When was the Verneuil flame fusion method first used?

A. 1207
B. 2016
C. 1503
D. 1904
Answer» D. 1904
Explanation: the verneuil flame fusion method was used in 1904 for growing crystals of high melting oxides, including artificial gemstones such as ruby and sapphire.
3k
0
Do you find this helpful?
12

View all MCQs in

Engineering Physics

Discussion

No comments yet