MCQ
The angle between the two vectors $\overrightarrow A = 5\hat i + 5\hat j$ and $\overrightarrow B = 5\hat i - 5\hat j$ will be ....... $^o$
- A$0$
- B$45$
- ✓$90$
- D$180$
✓
Answer
Correct option: C.
$90$
c
(c) $\vec A.\vec B = 0$
(c) $\vec A.\vec B = 0$
$⇒$ $\theta = 90^\circ $
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