№ files_lp_3_process_7_007770
Laboratory practical instruction outlining the setup and analysis of stationary waves on a tensioned string to determine wavelength, frequency and wave speed through measurement and calculation.
Subject: Physics
Topic: Waves
Practical focus: Measurement of wavelength, frequency and wave velocity
Type of document: Laboratory practical instruction
Educational level: Secondary school
Required skills: Measurement accuracy, application of the wave equation, uncertainty analysis, experimental evaluation
Equipment: Vibration generator, variable frequency power supply, string or elasticated cord, 100 g masses and hanger, 10 g masses and hanger, wooden bridge, pulley on a clamp, metre ruler
Method: Formation of stationary waves on a tensioned string and measurement of half wavelengths
Data collection: Length measurements, number of half waves, calculated wavelength, average wave speed
Assessment component: Evaluation questions and experimental analysis
Variables investigated: Tension, length of string, frequency, string thickness
Equation used: Wave speed = frequency × wavelength
Price: 8 / 10 USD
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