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What is the difference between a mechanical wave and an Electromagnetic wave? Mechanical wave needs a medium and an electromagnetic wave can travel through space. 7.
Answer Key. Concept Reviews. SECTION: TYPES OF WAVES. sound waves—the air; seismic waves— Earth; water waves—the ocean. a. electromagnetic waves. b. electric fields and magnetic fields. a. particles in the medium oscillate perpendicular to the direction the wave travels.
When the particles of a medium are vibrating at right angles to the direction of energy transport, then the wave is a ____ wave. In transverse waves, particles of the medium vibrate to and from in a direction perpendicular to the direction of energy transport.
Waves Study Guide Answer Key. 1. What is the top of a wave called? Crest. 2. What is the bottom of a wave called? Trough. 3. What is frequency? How many waves go past a point in one second; unit of measurement is hertz (Hz). 4. If a wave is traveling at 60 cm/second and has a wavelength of 15 cm, what is the frequency?
Worksheet - Waves and Sound Review Questions 1. Sound is a(n) _____ vibration that travels in _____ waves. 2. Light is a(n) _____ vibration that travels in _____ waves. 3. A tuning fork has a frequency of 519 Hz. What is its period? 4. A water wave has a speed of 75 cm/s, and a wavelength of 4.0 m.
What type of wave is wave A? Which wave carries more energy? What do points a and c represent? What do points b and d represent? How does the frequency of wave B compare with that of wave A? Directions: Using the equation v = I x f, find the missing values. 6. What is the velocity of a wave with a frequency of 760 Hz and a wavelength of 0.45 m? 7.
Vibrations and Waves Review 1 - key. 1. What is the source of all waves? A: The source of all waves is something that vibrates. 2. What is the frequency in vibrations per second of a 100-Hz wave? A: A 100-Hz wave vibrates 100 times/s. 3. The Sears Tower (Willis Tower) in Chicago sways back and forth at a frequency of about 0.1 Hz.
