Q.

Which of the following vectors is the unit vector along F→=−3i^+4j^+12k^ N ?

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By Expert Faculty of Sri Chaitanya

F^=−113−3i^+4j^+12k^ N

F^=−1133i^−4j^−12k^ N

F→=1133i^+4j^−12k^ N

None of these

answer is 2.

(Detailed Solution Below)

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Detailed Solution

F^=F→F→=−3i^+4j^+12k^ (−3)2+(4)+(12)2= -113(3i^+4j^+12k^)

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