Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES)
Sun and moon emit maximum radiations at wavelength the `0.5xx10^(-4)` cm and `100xx10^(-4)` cm respectively. The ratio of their temperature is:
A. |
1:200 |
B. |
200:1 |
![]() |
C. |
1:1 |
D. |
1:20 |