English

Which of the following is magnitude of vectors. a→=i^+j^+k^ -

Advertisements
Advertisements

Question

Which of the following is magnitude of vectors. `veca = hati + hatj + hatk`

Options

  • `sqrt(3)`

  • `sqrt(3)`

  • 0

  • 2

MCQ

Solution

`sqrt(3)`

Explanation:

`veca = hati + hatj + hatk`

`|veca| = sqrt(1^2 + 1^2 + 2^2)`

`[because |xhati + yhatj + zhatk| = sqrt(x^2 + y^2 + z^2)]`

= `sqrt(3)`

shaalaa.com
  Is there an error in this question or solution?
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×