1.

Assertion(A) : Semiconductors are solids with conductivities in the intermediate range from (10^(-6)-10^(4)ohm^(-1)*m^(-1)). Reason ( R) : Intermediate conductivity in semiconductor is due to partially filled valence band.

Answer»

(A) and ( R) both are correct statements and ( R) is correct EXPLANATION for (A).
(A) and ( R) both are correct statements but ( R) is not correct explanation for (A).
(A) is correct STATEMENT but ( R) is WRONG statement.
(A) is wrong statement but ( R) is correct statement.

Answer :C


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