Question

While doing the experiment on measuring the velocity of a pulse through a stretched string, a student had to choose between a
(i) thick silk string and a thick cotton string
(ii) stop clock and a table clock.
The combination choice that he should prefer is :
A. silk string and the table clock
B. silk string and the stop clock
C. cotton string and the table clock
D. cotton string and the stop clock.

Answer 1

(d) A cotton string is a better carrier of pulse. A stop clock measures time more accurately than a table clock.