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The angle of 1 ' (minute of arc) in radian is nearly equal to

Options

  1. A2 . 91 × 10 - 4   rad
  2. B4 . 85 × 10 - 4   rad
  3. C4 . 80 × 10 - 6   rad
  4. D1 . 75 × 10 - 2   rad

Correct answer

A. 2 . 91 × 10 - 4   rad

Step-by-step solution

First, convert one minute to a second, 1 ' = 1 60 ° and then convert it into radian, 1 60 × π 180   rad , so we can say that in one minute there is, 2 . 91 × 10 - 4   rad .

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