Match the following columns. Here, I represent intensity, A amplitude and r distance from the source.
Column I | Column II |
a. I due to point source | p. ∝ r−1/2 |
b. A due to point source | q. ∝ r−1 |
c. I due to line source | r. ∝ r−2 |
d. A due to line source | s. ∝ r−4 |