1.

p vec(a) is a vector perpendicular to vec(i) and vec(j) whose magnitude is 2 where 'p' is a scalar, then

Answer»

<P>`vec(a) = vec(K) and |vec(a)|=p`
`vec(a) = (2)/(p) vec(k) and |vec(a)| = (2)/(p)`
`vec(a)= 2p vec(k) and |vec(a)|= 2p`
`vec(a) =p vec(k) and |vec(a)|= (p)/(2)`

Answer :B


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