Concepts Of Physics MCQ Edition [Volume 1]
- Exam
- Concepts Of Physics MCQ Edition [Volume 1]
- Subject
- Physics
- Chapter
- Physics and Mathematics
Concepts Of Physics MCQ Edition [Volume 1] · Physics · Physics and Mathematics
Two vectors have magnitudes of 3 unit and 4 unit, respectively....
Two vectors have magnitudes of unit and unit, respectively. Determine the angle between them if the magnitude of the resultant is unit.
Options
- A60^{}^{{}^{\circ}}
- B0^{}^{{}^{\circ}}
- C180^{}^{{}^{\circ}}
- D90^{}^{{}^{\circ}}
Correct answer
D. 90^{}^{{}^{\circ}}
Step-by-step solution
Let the magnitudes of the two vectors be unit and unit.
Let the magnitude of the resultant vector be unit.
The magnitude of the resultant of two vectors is given by the formula:
Substituting the given values:
\theta = 90^{}^{{}^{\circ}}
Let the magnitude of the resultant vector be unit.
The magnitude of the resultant of two vectors is given by the formula:
Substituting the given values:
\theta = 90^{}^{{}^{\circ}}