If the sum of two unit vectors is also a unit vector. then magnitude of their difference and angle between the two given unit vectors is ..............
If the sum of two unit vectors is also a unit vector. then magnitude of their difference and angle between the two given unit vectors is ..............
- A
$\sqrt{3}, 60^{\circ}$
- B
$\sqrt{3}, 120^{\circ}$
- C
$\sqrt{2}, 60^{\circ}$
- D
$\sqrt{2}, 120^{\circ}$
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- [AIPMT 1996]
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