Discussion Forum
Que. | Liquid crystals remained laboratory curiosity for |
a. | 40 years |
b. | 30 years |
c. | 50 years |
d. | 90 years |
Correct Answer:30 years
|
Que. | Liquid crystals remained laboratory curiosity for |
a. | 40 years |
b. | 30 years |
c. | 50 years |
d. | 90 years |
Correct Answer:30 years
|