About `4xx10^(9)kg` of matter is converted into energy in the sun each second. What is the power output of the sun ?

How much mass is converted into energy per second in the sun if this power output is 3.6 xx10^(27) W ?

What are the sources of energy in sun and stars?

If the rate of loss of solar energy by radiation is 4.48 xx 10^(36) watt and the radius of the sun is 6.95 xx 10^5 km, what will be the temperature of the sun ?

What is the source of energy of sun or stars ?

The angular diameter of the sun is 1920". If the distance of the sun from the earth is 1.5xx10^(11) m, what is the linear diameter of the sun ?