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8. Assertion : Lead zirconate is a piezoelectric crystal. Reason : Lead zirconate crystals have no dipole moment.

a. If both assertion and reason are true and the reason is the correct explanation of the assertion

b. If both assertion and reason are true but reason is not the correct explanation of the assertion

c. If assertion is true but reason is false

d. If the assertion and reason both are false

e. if assertion is false but reason is true.

Ans. e

Explanation : Lead zirconate is an anti ferroelectric compound because it does not possess any net dipole moment.

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