The measuring of frequency, wavelength and wave speed of waves in a string required practical

Question 1

How to set up the strong required practica

Answer 1

Place a power supply away from the experiment, with a cable attaching to the vibration generator, connect the string from the vibration generator over a bridge to a pulley with weights attached to the string over the edge.

Question 2

What is the set up for the string practical

Answer 2

Attach a string or cord to a vibration generator and use a 200 gram hanging mass and pulley to pull the string taut. Place a wooden bridge under the string near the pulley.

Question 3

What is the instructions for the string practical

Answer 3

Turn the vibration generator on and adjust the wooden bridge until stationary waves can be clearly observed.

Question 4

How do you work out the wavelength of waves passing through the string (string practical)

Answer 4

Measure the length of as many half wavelengths (loops( as possible, divide by the number of half wavelengths (loops).
This is half the wavelength, double to give the actual wavelength

Question 5

How to find the frequency of waves passing through a string (string practical)

Answer 5

The frequency is the frequency of the power supply.

Question 6

How do you work out the wave speed of waves passing through a string (string practical)

Answer 6

Wave speed = frequency x wavelength

Question 7

What are hazards to the string practical

Answer 7

Cord snapping can damage eyes

Question 8

What are control measures to the string practical

Answer 8

Eye protection / safety screen