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Let barA,barB and barC be unit vectors s...

Let `barA,barB` and `barC` be unit vectors such that
`barA.barB=barA.barC`=0
Angle between B and C is 60°.
If `barA=k(barBxxbarC),` then : k=

A

`pm1`

B

`pm2`

C

`pm3`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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MARVEL PUBLICATION-VECTORS-TEST YOUR GRASP
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