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?