harmonics

Question 1

what do the formation of harmonics depend on?

Answer 1

the frequency of the vibration and the situation in which they are created
These harmonics can be observed on a string with two fixed ends
As the frequency is increased, more harmonics begin to appear

Question 2

define the term the first harmonic

Answer 2

this is when a stationary wave is vibrating at its lowest possible resonant frequency and the simplest wave pattern is a single loop made up of two nodes and an antinode . one half wavelength

Question 2

what are resonant frequencies dependent on?

Answer 2

length of string L and the wavespeed v

Question 3

what is the equation used to calculate the frequency of the first harmonic

Answer 3

f1 = v/lambda = v/2L
the wavelength is double the length of the string

Question 4

describe what is meant by the second harmonic

Answer 4

3 nodes and 2 antinodes
twice the frequency of the first harmonic. there are two loops with a node in the middle and one at each end. two half wavelengths fit on the string
wavelength is the length of the string