Unit Vector
Trending Questions
Q. A uniform electric field of 400 V/m is directed at 45∘ above the x-axis as shown in the figure. The potential difference VA−VB is given by :
- 0
- 4 V
- 6.4 V
- 2.8 V
Q. The value of (n) for which vector−−→OA=12^i+n^j+12^k is a unit vector is
- ±1√3
- ±13
- ±12
- ±1√2
Q.
Which of these is a unit vector that makes an angle of 60∘ with the positive direction of x axis ?
−1^i−√3^j
−12^i−√32^j
1^i+√3^j
12^i+√32^j
Q.
Which of these is a unit vector that makes an angle of 60∘ with the positive direction of x axis ?
Q.
Which of these is a unit vector that makes an angle of 60∘ with the positive direction of x axis ?
−1^i−√3^j
−12^i−√32^j
1^i+√3^j
12^i+√32^j