"If ` vec a\ ` is a non zero vecrtor iof modulus `a` and `m` is a non zero scalar such that
Channel: Doubtnut
Date: 05/07/2020

"If ` vec a\ `
 is a non zero vecrtor iof modulus `a` and `m`
 is a non zero scalar such that `m a`
 is a unit vector, write the value of `mdot`"