3B SCIENTIFIC PHYSICS U8431776 Инструктивный лист - Страница 3
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3B SCIENTIFIC ® PHYSICS
Apparatus for Demonstrating Waves along a Cord U8431776
Instruction Sheet
07/08 ALF
1 Base-plate
2 Dynamometer
3 Stand rods
4 Elastic cord
1. Description
The apparatus for demonstrating waves along a
cord shows how transverse standing waves can be
induced on a cord or string, and can be used to
investigate how their wavelength at a constant
frequency depends on the tension.
The stretched cord is induced to vibrate by a DC
motor driven by a sine-wave generator.
The instrument and accessories can be used to
show that the wavelength
under a tension F is halved when the tension is
increased by a factor of four.
λ
of a vibrating cord
5 Universal clamps
6 Axle rods
7 Axle clip
8 Pulley
2. Equipment supplied
1 Base-plate for apparatus
1 Elastic cord
2 Axle rods
1 Pulley
1 Axle clip
2 Universal clamps
2 Stand rods, 400 mm
1 Dynamometer, 5 N
1