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Three vectors veca,vecb and vecc satisfy...

Three vectors `veca,vecb` and `vecc` satisfy the relation `veca.vecb=0` and `veca.vecc=0`. The vector `veca` is parallel to

A

`vecC`

B

`vecB`

C

`vecBxx vecC`

D

`vecB*vecC`

Text Solution

Verified by Experts

The correct Answer is:
3
`vecr= 1cosalpha hati+ 1cos beta hatj+ 1cos gammahatk = (sqrt3)/(2) hati+ (1)/(2) hatj+0hatk `
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