The distance between crests of waves, such as those of the electromagnetic spectrum.

the number of complete wavelengths that pass a point in a given time

A unit used to compare the loudness of different sounds.

An observed change in the frequency of a wave when the source or observer is moving

electromagnetic waves

A form of energy that can move through the vacuum of space.

Electromagnetic waves with the shortest wavelengths and highest frequencies

Unit of measurement for frequency

A sensory characteristic of sound produced by the amplitude (intensity) of the sound wave

A wave that requires a medium through which to travel

Material through which a wave travels

Electromagnetic waves that are between radio waves and infrared waves in the electromagnetic spectrum. Heats up food.

a tone's experienced highness or lowness; depends on frequency

Electromagnetic waves with the longest wavelengths and lowest frequencies. In cell phones and radio towers

to produce or show sound vibrations; to echo or resound

red, orange, yellow, green, blue, indigo, violet- colors of the visible light spectrum

a longitudinal wave consisting of compressions and rarefactions, which travels through a medium

Transverse (shear) waves

A wave that causes the medium to vibrate at right angles to the direction in which the wave travels in an S shape- ex- electromagnetic waves (light)

Types of electromagnetic waves

-Radiowaves -Microwaves -Infrared -Visible light -Ultraviolet -X ray -Gamma rays -rabid monkeys in velvet underpants excrete gummy bears -Wavelength increases as you go down the list

high-frequency light waves beyond the violet frequency- causes sunburn and cancer

Electromagnetic radiation that can be seen with the unaided eye

A disturbance that transfers energy from place to place

Electromagnetic radiation having a very short wavelength; can penetrate substances such as skin and muscle to image bones

A wave in which the vibration of the medium is parallel to the direction the wave travels

concave lens (diverging lens)

A lens that is thinner in the center than at the edges

convex lens (converging lens)

A lens that is thicker in the middle than at the edges

a two-pronged, fork-like instrument that vibrates when struck; used to test hearing

Allowing some light to pass through

impossible to see through; preventing the passage of light

Sound waves with frequencies below 20 Hz. People can't hear them

Describes a sound of a frequency too high to be heard by the normal human ear---above 20,000 hertz

A signal having the characteristic of being continuous and changing smoothly over a given range, rather than switching suddenly between certain levels.

A signal that encodes information as a string of 1's and 0's

A wave that requires a medium through which to travel

light amplification by stimulated emission of radiation

6- Waves and Electromagnetic Spectrum Flashcards

Student preview

51 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Infrared

Back

non visible light and gives us heat. Can be seen by night vision goggles

2.

FLASHCARD QUESTION

Front

waves

Back

rhythmic disturbances that carry energy without carrying matter

3.

FLASHCARD QUESTION

Front

transverse waves

Back

waves in which the particles vibrate in an up and down motion

4.

FLASHCARD QUESTION

Front

compression wave

Back

matter moves forward and backward along the wave

5.

FLASHCARD QUESTION

Front

reflection

Back

The bouncing back of a wave when it hits a surface through which it cannot pass.

6.

FLASHCARD QUESTION

Front

refraction

Back

The bending of a wave as it passes at an angle from one medium to another

7.

FLASHCARD QUESTION

Front

absorption

Back

energy is taken into an object or substance

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