Question

true or false?
read the statements given below. if the statement is true, write “t” on the line in front of the sentence. if it is false, write “f,” and then rewrite the statement so it is true.
1.______waves transfer matter forward.
2.______energy is the capacity to apply a push or pull to an object.
3.______a trough is the highest point in a wave.
4.______the wavelength is the distance from crest to trough.
5.______the amplitude of a wave is the height of a wave crest or the depth of a wave trough from the rest position.
6.______the larger the amplitude, the less energy is transported by the wave.
7.______amplitude is the number of motions that occur in a given time.
8.______frequency is measured in units called hertz.
9.______the wavelength of a wave increases as frequency increases.

Explanation:

1. Waves transfer energy, not matter.
2. Energy is the capacity to do work. Force is the push or pull.
3. A trough is the lowest point; the crest is the highest.
4. Wavelength is from crest - to - crest or trough - to - trough.
5. Amplitude is height from rest (crest) or depth (trough).
6. Larger amplitude means more energy.
7. Frequency is number of motions; amplitude is height/depth.
8. Frequency is measured in hertz (Hz).
9. Wavelength and frequency are inversely related (\(v = \lambda f\), \(v\) is constant for a medium).

Answer:

1. F, Waves transfer energy forward.
2. F, Energy is the capacity to do work.
3. F, A crest is the highest point in a wave.
4. F, The wavelength is the distance from crest to crest (or trough to trough).
5. T
6. F, The larger the amplitude, the more energy is transported by the wave.
7. F, Frequency is the number of motions that occur in a given time.
8. T
9. F, The wavelength of a wave decreases as frequency increases.