NEET Solved Paper 2016 Question 37

Question: If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is :-

Options:

A) $ 0^{o} $

B) $ 90^{o} $

C) $ 45^{o} $

D) $ 180^{o} $

Show Answer

Answer:

Correct Answer: B

Solution:

  • $ | \vec{A}+\vec{B} |=| A-\vec{B} |=\theta =90^{o}. $