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Q.

Assertion (A) : Gallium arsenide phosphide is used for making LED’ s
Reason (R) : LED works in forward bias mode .

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a

Both assertion and reason are  true, and the reason is the correct explanation of assertion

b

Both assertion and reason are  true, and the reason is not a correct explanation of assertion

c

The assertion is true but the reason is false

d

The assertion is false but the reason is true

answer is B.

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