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Let veca and vecb be two orthogonal unit...

Let `veca and vecb` be two orthogonal unit vectors and `vecc` is a vector such that `vecc xx vecb = veca-vecc`, then `|vecc|` is equal to

A

1

B

`sqrt2`

C

`(1)/(sqrt2)`

D

2

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The correct Answer is:
C
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