Question

period: 2nd hour date: 10/16/25
waves and their properties: exploring mechanical waves and periodic motion
waves are everywhere in our world, from the sound we hear to the way light travels and even the movement of water in the ocean. in this worksheet, you will explore the three main types of mechanical waves—transverse, longitudinal, and surface waves. you will also learn about the properties of waves, such as amplitude, wavelength, frequency, period, and speed, and how periodic motion is related to waves.
fill in the blank: wavelength, amplitude, transverse, frequency, periodic

1. in a ____________ wave, the particles of the medium move perpendicular to the direction the wave is traveling.
2. the ____________ of a wave is the maximum distance the particles of the medium move from their rest position.
3. the number of waves that pass a point in one second is called the ____________.
4. the distance between two corresponding points on consecutive waves, like crest to crest, is the ____________.
5. in ____________ motion, an object repeats its movement in a regular cycle.

multiple choice questions: choose the correct answer from the choices for each question.

1. which type of wave moves particles parallel to the direction of the wave?

a) transverse wave
b) longitudinal wave
c) surface wave
d) electromagnetic wave

1. what happens to the speed of a wave if its frequency increases but its wavelength the same?

a) the speed decreases
b) the speed increases
c) the speed stays the same
d) the speed doubles

Explanation:

1. Transverse waves have particles moving perpendicular to the wave - travel direction.
2. Amplitude is the maximum displacement of medium particles from rest.
3. Frequency is the number of waves passing a point per second.
4. Wavelength is the distance between corresponding points on consecutive waves.
5. In periodic motion, an object repeats its movement regularly.

For multiple - choice:

1. Longitudinal waves have particles moving parallel to the wave direction.
2. The speed of a wave is given by \(v = f\lambda\). If \(f\) increases and \(\lambda\) stays the same, \(v\) increases as they are directly proportional.

Answer:

Fill in the Blank:

1. transverse
2. amplitude
3. frequency
4. wavelength
5. periodic

Multiple Choice:

1. B. Longitudinal wave
2. B. The speed increases