If the temperature of the Sun were to increase from T to 2T and its radius from R to 2R. The ratio of radiant energy received on earth to what it was previously will be. . . .. . .

If the temperature of the Sun were to increase from T to 2T and its ra

1.	If the temperature of the Sun were to increase from T to 2T and its radius from R to 2R. The ratio of radiant energy received on earth to what it was previously will be. . . .. . .
Answer» <html><body><p>4<br/>16<br/>32<br/>64</p>Solution :The <a href="https://interviewquestions.tuteehub.com/tag/amount-374803" style="font-weight:bold;" target="_blank" title="Click to know more about AMOUNT">AMOUNT</a> of radiant <a href="https://interviewquestions.tuteehub.com/tag/energy-15288" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGY">ENERGY</a>, `W=esigmaAT^(4)` (Stefan-Boltzmann.s law) <br/> `W=e <a href="https://interviewquestions.tuteehub.com/tag/sigma-1207107" style="font-weight:bold;" target="_blank" title="Click to know more about SIGMA">SIGMA</a>(4piR^(2))T^(4)(becauseA=4piR^(2))` <br/> `WpropR^(2)T^(4)` <br/> `:.(W_(2))/(W_(1))=((R_(2))/(R_(1)))^(2)((T_(2))/(T_(1)))^(4)` <br/> `=((2R)/(R))^(2)((2T)/(T))^(4)` <br/> `=4xx16=64`</body></html>