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

If the temperature of sun were to increase from T to 2T and its radius

1.	If the temperature of sun were to increase from T to 2T and its radius from R to 2 R, then 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>Answer :D</body></html>