1. Properties of Waves

2. Example 1
A piano emits frequencies that range from a low of about 28 Hz to a high of about 4200 Hz. Find the range of wavelengths in air attained by this instrument when the speed of sound in air is 340m/s.

3. Example 2
An FM radio station broadcasts electromagnetic waves at a frequency of 125 MHz. These radio waves have a wavelength of 2.40m. Find the speed of the radio waves.

4. Example 3
The speed of the radio waves in item 2 is the speed of any electromagnetic waves traveling through empty space. Calculate the wavelength of electromagnetic waves emitted at the following frequencies: Radio Waves 88.0 MHz

5. Example 4
The speed of the radio waves in item 2 is the speed of any electromagnetic waves traveling through empty space. Calculate the wavelength of electromagnetic waves emitted at the following frequencies: Visible Light Waves 6.00 X 108 MHz

6. Example 5
The speed of the radio waves in item 2 is the speed of any electromagnetic waves traveling through empty space. Calculate the wavelength of electromagnetic waves emitted at the following frequencies: X-ray Waves 3.00 X 1012 MHz

7. Example 6
The speed of the radio waves in item 2 is the speed of any electromagnetic waves traveling through empty space. What is the period of vibration for the following frequencies: Radio Waves 88.0 MHz

8. Example 7
The speed of the radio waves in item 2 is the speed of any electromagnetic waves traveling through empty space. What is the period of vibration for the following frequencies: Visible Light Waves 6.00 X 108 MHz

9. Example 8
The speed of the radio waves in item 2 is the speed of any electromagnetic waves traveling through empty space. What is the period of vibration for the following frequencies: X-ray Waves 3.00 X 1012 MHz

10. Example 9
A tuning fork produces a sound with a frequency of 256 Hz and wavelength in air of 1.35m.
What value does this give for the speed of sound in air?

11. Example 10
A tuning fork produces a sound with a frequency of 256 Hz and wavelength in air of 1.35m.
What would be the wavelength of the wave produced by this tuning fork in water in which sound travels at 1500 m/s?

12. Example 11
Sketch a pulse wave that is longitudinal.

13. Example 12
Sketch a periodic wave that is longitudinal.

14. Example 13
Sketch a pulse wave that is transverse.

15. Example 14
Sketch a periodic wave that is transverse.

16. Example 15
If the amplitude of a sound wave is increased by a factor of four, how does the energy carried by the sound wave in a given time interval change?