​ 1 second of arc is equal to ……… (a)1°/360 (b) 4.85 x 10^6 rad (c) rad (d) 2.91 ÷ 10^-4 rad ​

Question

1 second of arc is equal to ………

(a) \(\frac{1°}{360}\)

(b) 4.85 x 10⁶ rad

(c) \(\frac{1}{4.85} \times 10^{-6}\)rad

(d) 2.91 ÷ 10^-4 rad

Answer 1

Correct answer is (a) 1º/360