(A) Photoelectric effect
(B) Stark effect
(C) Thermionic effect
(D) Piezo-electric effect
Answer: (D) Piezo-electric effect
Q. The word Piezoelectricity means electricity resulting from:
(A) pressure and latent heat
(B) movement of crystals
(C) application of current
(D) None of these
Answer: (A) pressure and latent heat
Q. Chemically quartz is a specific form of compound called:
(A) Aluminum dioxide
(B) Silicon dioxide
(C) Barium oxide
(D) None of these
Answer: (B) Silicon dioxide