A star that has a radius twice that of the Sun and a surface temperature half that of…
PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
A star that has a radius twice that of the Sun and a surface temperature half that of the Sun will have a luminosity that is
(1) a quarter of the Sun's luminosity.
(2) a half of the Sun's luminosity.
(3) twice the Sun's luminosity.
(4) four times the Sun's luminosity.