Question

1. If the magnitude of two vectors are 8 unit and
5 unit and their scalar product is zero, the angle
between the two vectors is
[NCERT Pg. 114]
(2) 309
(3) 60°
(4) 90°
(1) Zero​

Answer 1

Answer:

90 degree

Explanation:

as cos thetha = a.b/|a||b| and a.b =0 amd cos thetha becomes zero at 90 degree .

hope it helped

Answer 2

Answer:

90°

Explanation:

as cos thetha = a.b/|a||b| and a.b =0 amd cos thetha becomes zero at 90 degree .

hope it helped