A heavy uniform rope of mass $M$ and length $L$ hangs vertically from a ceiling. A transverse pulse is generated at the lower end. Find the time taken by the pulse to travel to the top end.
2.
Two tuning forks A and B produce 5 beats/sec when sounded together. When fork A is loaded with a little wax, beat frequency becomes 2 beats/sec. If frequency of B is $256\text{ Hz}$, find frequency of A.
