wikiHow Calculating Wavelength Practice Problems Electromagnetic Waves: 1. What is the wavelength of a radio wave with a frequency of 102.5 MHz? 2. A microwave has a frequency of 2.4 GHz. What is its wavelength? 3. A red light wave has a frequency of 4.6 x 10^14 Hz. What is its wavelength? 4. An X-ray wave has a frequency of 6.2 x 10^18 Hz. What is its wavelength? 5. What is the wavelength of a gamma ray with a frequency of 3.5 x 10^20 Hz? 6. A TV signal has a frequency of 54 MHz. What is its wavelength? 7. What is the wavelength of a blue light wave with a frequency of 6.0 x 10^14 Hz? 8. A radio wave has a wavelength of 10 meters. What is its frequency? 9. An infrared wave has a wavelength of 1.2 micrometers. What is its frequency? 10. A visible light wave has a frequency of 5.1 x 10^14 Hz. What is its wavelength? Sound Waves: 1. What is the wavelength of a sound wave with a frequency of 440 Hz traveling in air at room temperature (20°C)? 2. A sound wave with a frequency of 1,000 Hz is traveling in water at a temperature of 25°C. What is its wavelength? 3. A guitar string vibrates at a frequency of 330 Hz. If the speed of sound in air is 343 m/s, what is the wavelength of the sound wave it produces? 4. What is the wavelength of a sound wave with a frequency of 20,000 Hz traveling in air at room temperature (20°C)? 5. The speed of sound in steel is 5,960 m/s. If a sound wave has a frequency of 200 Hz, what is its wavelength in steel? 6. A sound wave with a wavelength of 1.5 meters is traveling in air at a temperature of 25°C. What is its frequency? 7. What is the wavelength of a sound wave with a frequency of 500 Hz traveling in water at a temperature of 20°C? 8. A sound wave with a frequency of 440 Hz is traveling in steel at a temperature of 25°C. What is its wavelength? 9. What is the frequency of a sound wave with a wavelength of 0.2 meters traveling in air at a temperature of 20°C? 10. A sound wave with a frequency of 1,000 Hz is traveling in air at a temperature of 25°C. What is its wavelength? Page