ICSE Class 10 Physics 2019 Solved Paper
Show Para
Two waves of the same pitch have amplitudes in the ratio 1 : 3
© examsnet.com
Question : 19
Total: 74
intensities and
Solution:
Since, I ∝ a 2
∴
= (
) 2
⇒
= (
) 2 =
⇒ I 1 : I 2 = 1 : 9
© examsnet.com
Go to Question: