Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES)
Two waves are represented by the following equation:
`y_1=5sin 2pi (10t – 0.1x)`
`y_2=10 sin 2pi (20t-0.2x)`
Ratio of intensitites `I_2/I_1` will be
A. |
1 |
B. |
9 |
C. |
4 |
D. |
16 |
![]() |