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If |vecP + vecQ| = |vecP -vecQ| the ang...

If ` |vecP + vecQ| = |vecP -vecQ|` the angle between ` vecP and vecQ` is

A

`theta=0^(@)`

B

`theta=90^(@)`

C

`P =0`

D

`Q=0`

Text Solution

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The correct Answer is:
B
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MOTION-VECTOR & CALCULUS-EXERCISE -1
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  9. If |vecA|= 4, |vecB|=3 and theta= 60^@ in the figure . Find vec...

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  11. If 0.5hati+0.8hatj+Chatk is a unit vector. Find the value of C.

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