- Home
- Standard 11
- Physics
3-1.Vectors
easy
If $A$ and $B$ are two non-zero vectors having equal magnitude, the angle between the vectors $A$ and $A - B$ is
A$0^{\circ}$
B$90^{\circ}$
C$180^{\circ}$
Ddependent on the orientation of $A$ and $B$
Solution
(d)Suppose angle between two vectors $A$ and $B$ of equal magnitude is $\theta$. Then, angle between $A$ and $A – B$ will be $\frac{180^{\circ}-\theta}{2}$ or $90^{\circ}-\frac{\theta}{2}$. Hence, this angle will depend on the angle between $A$ and $B$ or $\theta$.
Standard 11
Physics
