hot, resolve any inconsistencies. lnswers that you obtained in the tutorial the
ID: 1789917 • Letter: H
Question
hot, resolve any inconsistencies. lnswers that you obtained in the tutorial the ray d hetween two different media G.e., two regions of different diagram at right represents a periodic water wave at the s. boundary bou in large tank of water). Th depring back and forth at a steady rate. ave is generated by a dowel the propagation speed of the transmitted wave (in region 2) Region 1 Region 2 a. Does Dnd on the propagation speed of the incident wave (in depen region I)? Explain. sible to increase the propagation speed of the transmitted wave by changing Is it pos propagation speed of the incid and forth faster or by changing the depth of water in region 1). If not,explain why not. the ent wave? If so, explain how (e.g. by moving the dowel back s the frequency of the transmitted wave depend on the frequency of the incident wave? b. Does Explain Is it possible to increase the frequency of the transmitted wave without changing the frequency of the incident wave? If so, explain how. If not, explain why not.Explanation / Answer
a) Wave speed depends on the properties of medium like how dense the medium is in which transmitted wave in travelling. Best example would be a swimming pool. It is more deeper than it looks due to higher index of refraction of water.
We can do so by maintaning the same depth and same volume of water in both the regions.
b) yes, frequency is dependent primarily on wavelength not the medium properties.
No, Frequency will be constant
c) Wavelength and frequency are inversely proportional to each other. While a wave enters into another region, only speed and wavelength changes but frequency will be constant. If speed increases, wavelength must increase to keep the frequency constant. This should answer all the parts of (c).
d) For any angle of incidence, angle of refraction depends on speed and speed depends on density and other properties of water.
Just increase the density of region 2, it will bend the wave more towards the perpendicular while keeping the incident angle same.
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