Q.
The angle of 1' (minute of arc) in radian is nearly equal to
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a
1.75×10−2rad
b
2.91×10−4rad
c
4.85×10−4rad
d
4.80×10−6rad
answer is B.
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Detailed Solution
θ=1′=1600=160π180 radian =2.91×10−4radian
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