What are examples of mechanical waves?

Examples include ocean waves (transverse) and sound waves (longitudinal).

What is an electromagnetic wave?

An electromagnetic wave is a disturbance that transfers electromagnetic radiation energy and can travel through a vacuum.

Are electromagnetic waves always transverse?

Yes, electromagnetic waves are always transverse.

What are examples of electromagnetic waves?

Examples include gamma rays, X-rays, UV rays, visible light, infrared, microwaves, and radiowaves.

What is a transverse wave?

A transverse wave travels perpendicular (at right angles) to the direction of the source’s motion.

What are examples of transverse waves?

Examples include wiggling a jump rope, vibrating guitar string, light, seismic S-waves, ripples on water, and bouncing a spring.

What is the crest of a wave?

The crest is the highest point on a wave, also known as the 'peak'.

What is the trough of a wave?

The trough is the lowest point on a wave, also known as the 'valley'.

Wavelength is the distance between two crests or two troughs.

Amplitude is the height from the middle of the wave (rest) to the crest or trough; the maximum distance the medium vibrates from rest position.

Frequency is the number of wave cycles that pass a point per second, measured in Hertz (Hz).

How does frequency relate to wavelength?

Lower frequency has a longer wavelength, and higher frequency has a shorter wavelength.

What determines the amount of energy waves transmit?

The amount of energy waves transmit depends on how much of a disturbance its vibrations cause.

What results in higher energy waves?

Shorter wavelengths or higher frequencies result in higher energy waves.

What is a longitudinal wave?

A longitudinal wave is a type of compression wave where the disturbance moves the same direction as the wave.

What are examples of longitudinal waves?

Examples include sound waves, compressing a spring, and seismic P-waves.

What is the wavelength in longitudinal waves?

Wavelength is the distance from one compression to the next.

What are compressions and rarefactions?

Compressions are regions where particles are closest together, and rarefactions are gaps where particles are farthest apart.

Can longitudinal waves travel through a vacuum?

No, longitudinal waves must travel through a medium and cannot travel through a vacuum.

How can sound waves be affected by surfaces?

Sound waves can be reflected, absorbed, or transmitted depending on the surface.

What surfaces absorb sound waves?

Soft surfaces like cloth and pillows absorb sound waves.

What surfaces reflect sound waves?

Hard surfaces like walls and caves reflect sound waves.

How does the medium affect sound wave speed?

Sound waves travel fastest through solids and slowest through gases.

What is volume in terms of sound waves?

Volume is the intensity (loudness or softness) of a sound that comes from a sound wave’s amplitude, measured in decibels (dB).

What is pitch in terms of sound waves?

Pitch is the highness or lowness of sound that comes from a sound wave’s frequency, measured in Hertz (Hz).

How does frequency affect pitch?

High frequency waves make high pitch sounds, and low frequency waves make low pitch sounds.

What is a tuning fork?

A tuning fork is a two-pronged metal fork stamped with a frequency that resonates at a consistent, perfect pitch when struck.

How does the size of a tuning fork affect pitch?

The shorter the tuning fork, the higher the pitch and frequency.

How is a 'wave' at a sporting event similar to a transverse wave?

It is similar because people are moving perpendicular to the direction of the wave.

How would a 'wave' at a sporting event be similar to a longitudinal wave?

If people bump shoulders instead of standing up, it would be similar to a longitudinal wave.

electromagnetic Spectrum

are transverse waves that have some electrical and some magnetic properties.

Waves and Their Properties Flashcards

Student preview

38 questions

Show all answers

1.

FLASHCARD QUESTION

Front

How is energy measured?

Back

Energy is measured in Joules (J).

2.

FLASHCARD QUESTION

Front

What is a wave?

Back

A wave is any traveling disturbance that transfers energy from place to place.

3.

FLASHCARD QUESTION

Front

What do waves transmit?

Back

Waves transmit energy, not matter.

4.

FLASHCARD QUESTION

Front

How are waves categorized?

Back

Waves are categorized as either Mechanical or Electromagnetic.

5.

FLASHCARD QUESTION

Front

How are waves described by their direction?

Back

Waves are described by the direction that their disturbance is traveling: transverse or longitudinal.

6.

FLASHCARD QUESTION

Front

What is a mechanical wave?

Back

A mechanical wave is a disturbance or vibration that moves through some type of matter and must travel through a medium.

7.

FLASHCARD QUESTION

Front

Can mechanical waves travel through a vacuum?

Back

No, mechanical waves cannot travel through a vacuum such as space.

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