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Reflection of Sound Apparatus

Product Code : SCL-PLE-11760

Quick Answer: The Reflection of Sound Apparatus uses two hollow tubes set against a 0–180° angle scale and an adjustable reflecting board to show that sound obeys the laws of reflection, with the angle of incidence equal to the angle of reflection.

Last updated: 18 October 2026

Key Features

  • Two hollow cylindrical tubes guide the sound to and from the reflector.
  • Protractor scale from 0–180° for setting the tube angles.
  • Adjustable smooth reflecting board.
  • Can be used with a mechanical ticking clock or an electronic signal generator as the source.
  • Sound can be detected by ear or with a microphone.

Technical Specifications

SpecificationValue
Sound guidesTwo hollow cylindrical tubes
Angle scaleProtractor, 0–180°
ReflectorAdjustable smooth board
Sound sources supportedMechanical ticking clock or signal generator
DetectionEar or microphone
PrincipleLaws of reflection applied to sound

How It Is Used

A ticking clock or signal generator is placed at the end of one tube aimed at the reflecting board. The second tube is swung round the scale until the sound is heard most clearly through it, and the two angles are read. Repeating for several positions shows that the angle of incidence equals the angle of reflection (i = r).

Frequently Asked Questions

What sound source can be used with the Reflection of Sound Apparatus?

A mechanical ticking clock or an electronic signal generator. The reflected sound is picked up by ear or with a microphone.

Related Physics Lab Equipment

See the full physics lab equipment range, or these related sound and reflection apparatus:

Export enquiries for the Reflection of Sound Apparatus are welcome from buyers in Guinea, Honduras, Iran, Eswatini, Costa Rica and Italy.

For a quotation on the Reflection of Sound Apparatus, contact JLab India on +91-8569909696.

   
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