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

Question

The angle of 1 ' (minute of arc) in radian is nearly equal to, 2 . 91 × 10 - 4 rad, 4 . 85 × 10 - 4 rad, 4 . 80 × 10 - 6 rad, 1 . 75 × 10 - 2 rad

MARKS App · Accepted Answer

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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