Consider the following statements:
(i) Sound pressure changes with distance from the source
(ii) Sound power is a property of the source
(iii) Sound intensity is sound power per unit volume
Choose the correct option from the following:
Evaluate the following limit: $ \lim_{n \to \infty} \prod_{r=3}^n \frac{r^3 - 8}{r^3 + 8} $.
In the given cycle ABCDA, the heat required for an ideal monoatomic gas will be: