Question

Why we prefer a long slinky to measure the propagation of velocity of pulse?

Answer 1

We prefer a long slinky to measure the propagation of velocity because in a slinky they push each slide just like the particles in the median.

Answer 2

Preference a long slinky to measure the propagation of velocity of pulse:

• A slinky is the "long helical spring", which is made of steel. It is "flexible" and has "appreciable elasticity".

• The long slinky is required to measure the propagation of velocity of pulse.
• The long slinky is required to check the velocity to keenly and cleanly note the movement of slinky from one end of the pulse to other end.
• It produces some 'transverse waves' when one end of string is fixed and the "other end is stretched" and give a vibrations at the "right angle to its length".
• It produces "longitudinal waves" when compressions are happening at "regular intervals of time" at free end of slinky. A disturbance that propagates through the medium is known as "wave".

To know more;

In the experiment for determining the velocity of propagation of a pulse in a slinky, we prefer a long slinky/string

a) because pulse cannot be formed in a short slinky/string

b) because slinky/string is cheap

c) so that pulse may move through it easily

d) so that time taken by pulse to move from one end of slinky/string to other is more

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