Science 9th Semester Test
B - A wave traveling through a medium transfers energy but not matter.
Waves more energy from one place to another. Which statement is true about how waves more energy?
A - adisturbance that transfer energy
What is a wave?
A - 2 m
What is the amplitude of the wave?
A - 1.5 m
What is the height of the crest of the wave?
C - 5.0 m
What is the wavelength of the wave?
C - They move energy from one place to another
What is true of all transverse waves and longitudinal waves?
D - wavelength
What measurement is usually determined by measuring the crest of one wave to the crest of another wave?
B - A wave has a height of 5 meters.
Which describes the amplitude of a wave?
C- frequency
Which describes the number of waves that pass a given point in a set period of time?
D - wavelength x frequency
Which describes the speed of a wave?
D - They can be transmitted through solids, liquids, and gases.
Which of the following statements is true for sound waves?
D - wavelength
Which property is shown by F?
C - You feel vibrations if loud sounds are played
Which statement best shows that waves carry energy?
B - Sound waves move fastest through solids and slowest through gases.
Which statement can be made based on these data?
B - frequency
Which term describes the number of waves passing a point during a certain period of time?
A - light wave
Which type of wave can travel through space?
A - absorption of light
A flashlight shines on a large black towel. What process is demonstrated?
C - The wall absorbs red, orange, green, yellow, indigo, and violet and reflects blue light.
A light shines on a blue wall. Which explains what happens with the light as it reaches the wall?
C - It is about twice the wave's amplitude.
A local surf report provides the height of the wave from the trough to the crest of the wave. How does this relate to the wave's amplitude?
A - period
Chang noticed that it took 2 s for a wave to pass the end of the pier on which he was sitting. What property of a wave did he measure?
B - frequency
It takes three seconds for a wave to pass to a certain point. Which property of the wave is measured?
C - violet
The wavelength of a of a wave is less than 450 nanometers. Which color would this wave most likely appear?
