1.

Let vecalpha=hati+hatj+hatk,vecbeta=hati-hatj-hatk" and "vecgamma=-hati+hatj-hatk be three vectors. A vector vecdelta, in the plane of vecalpha and vecbeta, whose projection on vecgamma is (1)/(sqrt(3)), is given by

Answer»

`-HAT(i)-3HAT(J)-3hat(K)`
`hati-3hat(j)-3hat(k)`
`-hati+3hat(j)+3hat(k)`
`hati+3hat(j)-3hat(k)`

Answer :B


Discussion

No Comment Found

Related InterviewSolutions