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  • Assertion: Zone refining method is very useful for producing semiconductors. Reason: Semiconductors are of high purity.

In the following question, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.

Assertion: Zone refining method is very useful for producing semiconductors.

Reason: Semiconductors are of high purity.

(i) Both assertion and reason are true and the reason is the correct explanation of assertion.

(ii) Both assertion and reason are true but the reason is not the correct explanation of assertion.

(iii) The assertion is true but the reason is false.

(iv) The assertion is false but the reason is true.

(v) Assertion and reason both are wrong.

Answers (1)

The answer is the option (ii).The principle of the zone refining method is that the the impurities of semiconductors are more soluble in molten zone compared to the solid state and the ultrapure semiconductor crystallizes.

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