Mathematics MCQs

Vectors - Unit Vectors Questions with solutions MCQs

1. The unit vector having the opposite direction of the vector (1, ?1) is

A

(1/?2)(?1, 1)

B

(1/?2)(?1, ?1)

C

(1/?2)(1, ?1)

D

(?1, 1)

Vectors - Unit Vectors Account Ast. 2024
Correct Answer : A
Explanation :

Opposite direction of (1, ?1) is (?1, 1). Normalizing: (?1, 1)/?(1^2+(-1)^2) = (1/?2)(?1, 1).

Correct Answered :

Wrong Answered :

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