Quick Answer: Sound Reflection Demonstration Model is an acoustics apparatus in which sound sent along one tube towards a reflecting surface is located with a second tube, so the angles of incidence and reflection can be compared.
Last updated: October 2026
Key Features
Incident sound tube and receiving tube directed at a reflecting surface
Receiving tube moved until the reflected sound is heard most clearly
Angles measured from the normal using a marked angular reference
Base and tubes need no power
Observations repeatable at several incident angles
Technical Specifications
Specification
Value
Product category
Sound and Waves / Acoustics Demonstration Apparatus
Demonstration capacity
One incident and one reflected sound-path arrangement
Scientific principle
Reflection of sound from a suitable surface
About This Product
In a quiet room the reflecting plate is set on the reference line, the incident tube is aimed at a chosen angle with the sound source at its outer end, and students move the receiving tube until the reflected sound is clearest before measuring both angles from the normal. Repeating this at other angles lets a class test whether sound follows a reflection relationship like other waves, making this Physics Miscellaneous Products model a practical introduction to acoustics.
Frequently Asked Questions
Q1. Does sound obey a law of reflection? In a controlled arrangement, reflected sound can be studied by comparing the incident and reflected directions relative to the surface normal.
Q2. Does the model need electricity? The base and tubes require no power. Any electrical requirement depends on whether a powered sound source is supplied.
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