1.

What will be the ratio of temperatures of sun and moon if the wavelengths of their maximum emission radiations rates are 140 Å and 4200 Å respectively                                                 [J & K CET 2004]

A.            1 : 30                                        
B.            30 : 1
C.            42 : 14                                     
D.            14 : 42
Answer» C.            42 : 14                                     


Discussion

No Comment Found

Related MCQs