The relation between radian and degree is:
Correct answer: B. 1 radian = 57.3°
- A. 1 rad = 53.7o
- B. 1 radian = 57.3°
- C. 1 rad = 1o
- D. 1° = π rad
Explanation
1 radian is approximately equal to 57.3 degrees. This is the conversion factor between radians and degrees.
This question appeared on the NUMS 2023 paper, which you can sit online with every answer explained.
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About Angular Displacement
Angular displacement measures the change in a body’s angular position and is expressed in radians or degrees, with anticlockwise and clockwise directions assigned signs. It connects to arc length, angular velocity and angular acceleration, and must be distinguished from ordinary linear displacement in rotational motion.
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