Question

Solar constant for the earth is 2.0 cal/cm²/min. Stefan's constant is rho = 5.7 × 10–12 watt/(cm² – K^4

).

Temperature of sun is 6000 K. Angular diameter of sun as seen from the earth is
a) 1.5 rad
b) 2.4°
c) 1.2°
d) 30 min

​

Answer 1

2.4

may be

plzz amrk as brainlist