Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Find the projection of the vector i − j on the vector i + j .

 Q3  Find the projection of the vector \hat i - \hat j on the vector \hat i + \hat j

Answers (1)

best_answer

Let 

\vec a=\hat i - \hat j

\vec b=\hat i + \hat j

Projection of vector \vec a on \vec b

\frac{\vec a.\vec b}{\left | \vec b \right |}=\frac{(\hat i-\hat j)(\hat i+\hat j)}{\left |\hat i+\hat j \right |}=\frac{1-1}{\sqrt{2}}=0

Hence, Projection of vector \vec a on \vec b is 0.

Posted by

Pankaj Sanodiya

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE Class 12 practical exams 2026 from February 23 for private students; marks to be uploaded on same day
anam-khan

CBSE Board Exam 2026 LIVE: Class 10 maths; 12th biotechnology exams over; question papers with solutions
anam-khan

CBSE explains how two Class 10 board exams 2026, on-screen marking for Class 12 will work

Latest Question