Chapter 14 - Sound - Learning Path Questions and Exercises - Conceptual Questions - Page 522: 7

The Intensity is greater in case (1) and by a factor of 2.

Intensity for position 1 = $I_{1}=\frac{P}{4\times pi \times R^{2}}$ Intensity for position 2 = $I_{2}=\frac{2P}{4\times pi \times 4R^{2}}=0.5I_{1}$ So, the Intensity is greater in case (1) and by a factor of 2.