Mathematics

Problem

The distance of the Sun from earth is

1.5\times 10^{11}\,\text{m}

and its angular diameter is (2000) s when observed from the earth. The diameter of the Sun will be : (1)

2.45\times 10^{10}\,\text{m}

(2)

1.45\times 10^{10}\,\text{m}

(3)

1.45\times 10^9\,\text{m}

(4)

0.14\times 10^9\,\text{m}