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physics Advanced Subsidiary (AS) Level Physics.
 
Solved problems for the chapter:
 

Experiment on Diffraction

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View the theory »
Refraction, Diffraction, and Interference of sound
open
open
1. Diffraction
1.1. Huygens principle
2. Interference
2.1. Wave amplification (Constructive interference)
2.2. Waves attenuation (Destructive interference)
3. Refraction of sound
3.1. Change in wavelength
3.2. Law of refraction
4. Forum
↓   Show theory [1]   ↓ ↑   Hide theory [1]   ↑


Detailed solution steps are available at:
 
https://en.openprof.com/wb/chapter:experiment_on_diffraction/4072/


Example 1.

Sound falls perpendicular to a horizontal barrier and passes through an opening whose width is twice the wavelength. At what angle to the vertical does the first minimum on the other side of the obstacle occur?

   

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