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Mr. Dubey • 51.43K Points
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Q.) What is the magnitude of a unit vector?

(A) it has no magnitude
(B) zero
(C) constant but not zero
(D) unity
Correct answer : Option (D) - unity

Explanation: 
 the magnitude of a unit vector is unity. it just gives the direction of a vector. a unit vector has no units or dimensions.

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