CAPE Physics Unit 1 · 2008 (Rest of Region) · Paper 1 · Question Q28

Two sound waves have intensities 0.1\text{ W m}^{-2} and 5\text{ W m}^{-2}. What is the difference in their intensity levels?

1. (A)1.7\text{ dB}
2. (B)5\text{ dB}
3. (C)17\text{ dB}
4. (D)50\text{ dB}