Which one of the following gives the magnitude of a vector having components along…

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

Which one of the following gives the magnitude of a vector having components

v_x, v_y, v_z

along the

x

y

-, and

z

-axes respectively? (a)

|v_x|+|v_y|+|v_z|

(b)

\sqrt{v_x^{2}+v_y^{2}+v_z^{2}}

(c)

\sqrt{v_x^{2}+v_y^{2}}

(d)

v_x+v_y+v_z