Q11
Quartz crystals normally used in quartz clocks etc. is chemically
A.
Silicon Dioxide
AnswerB.
Germanium Oxide
C.
A mixture of Germanium Oxide and Silicon dioxide
D.
Sodium Silicate
Answer: Option A
Solution
Answer: Option A
Solution:
The working of Quartz is usually by a crystal oscillator. The Silicon dioxides are the crystals which are piezoelectric and can be further used as speakers and microphones.