Materials and Components

Assertion (A): The optical dielectric constant (i.e., ε_r at optical frequencies)of ionic dielectrics is less than static dielectric constant. Reason (R): At optical frequencies, P_i = 0.

A Both A and R are true and R is correct explanation of A

B Both A and R are true but R is not correct explanation of A

C A is true but R is false

D A is false but R is true

ANS:A - Both A and R are true and R is correct explanation of A

Please give the reason for all the answers.

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