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memorize.ai (lvl 286)

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Section 1

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Increasing frequency

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Physics

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (80)

Section 1

(50 cards)

Increasing frequency

Front

decreases wavelength

Back

Speed of light

Front

300,000 km/s Referred to as "c" Measured as light year

Back

Period and frequence are reciprocals

Front

5s= 1/5 Hz

Back

Range of human hearing

Front

20-20,000 Hz

Back

electromagnetic spectrum

Front

Radio, microwaves, infrared, ultraviolet, xrays, gamma

Back

refraction

Front

Being of waves as it changes mediums

Back

Visible light (primary colors)

Front

red, green, blue when mixed=white can make any color in the spectrum

Back

Wavelength

Front

Horizontal distance between the crests or between the troughs of two adjacent waves

Back

nodes

Front

No motion

Back

constant

Front

something that stays the same

Back

Reflects everything

Front

White

Back

Interference

Front

Interaction with two waves or a combination of waves

Back

Absorbs the most light

Front

Black

Back

Decreasing frequency

Front

Increases wavelength

Back

Electromagnetic wave

Front

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

Back

Resonance

Front

Natural frequency

Back

Light can

Front

Bounce off of something reflective, Be absorbed through something opaque, Pass through something transparent

Back

law of reflection

Front

the angle of incidence is equal to the angle of reflection

Back

What is a wave

Front

-A disturbance that travels from one place to another transporting energy, but not necessarily matter, along with it.

Back

Longest wavelength

Front

Radio waves (red)

Back

Pitch

Front

Longer= lower sound Shorter= Higher sound Determined by frequency (high or low) Amplitude = loudness (energy)

Back

Longitudinal wave

Front

Vibrate parallel

Back

Amplitude

Front

Height of a wave

Back

Radio waves and light waves

Front

Both electromagnetic, have no medium, travel at the speed of light Different frequencies and you can see one but not the other

Back

Infrasonic

Front

Sound waves with frequencies below 20 hertz (too low for humans)

Back

Absorbs everything

Front

Black

Back

Transverse wave

Front

Vibrate perpendicular

Back

independepent variable

Front

Set by experimentor

Back

Antinodes

Front

All motion

Back

Sunlight

Front

a mixture of all the different colors of visible light

Back

What increases speed

Front

Humidity and temperature

Back

opaque

Front

Light can not pass through (people, doors)

Back

period

Front

Time for one wave to pass

Back

angle of reflection

Front

The angle between the reflected ray and the normal

Back

Let's light pass through

Front

White

Back

The normal

Front

imaginary line perpendicular to the surface

Back

Subtractive primary color

Front

Magenta (red+blue) yellow (red+green) Cyan (blue+green)

Back

dependent variable

Front

Being tested; changes w the independent variable

Back

Example of reflection

Front

Back

Echo

Front

Single reflection when sound lingers

Back

angle of incidence

Front

the angle between the incident ray and the normal

Back

ultrasonic

Front

Frequencies above 20,000 Hz (too high for humans)

Back

Reverberation

Front

Bouncing off many surfaces (many echos)

Back

Mechanical waves

Front

waves that require a medium through which to travel EX sound/water waves

Back

Source of a wave

Front

vibration

Back

Speed of sound

Front

340 m/s

Back

Standing waves

Front

Waves w/ nodes and antinodes

Back

Hypothesis

Front

An educated guess

Back

frequencey

Front

Number of waves that pass per second (measured in Hz)

Back

Transparent

Front

Light can pass through (window)

Back

Section 2

(30 cards)

Linear motion

Front

Motion is relative

Back

slope upward

Front

speed decreases

Back

Angle of incidence vs angle of reflection

Front

Must be equal

Back

converging lens

Front

Thicker at center/thinner at edges, converges light incoming parallel rays are bent through the far focal point Rays passing through the center of the lens are not bent at all (Virtual images @ Dotted lines)

Back

focal length

Front

the distance from the center of a lens to the focal point

Back

Velocity

Front

Description of both the speed of the object and the direction of travel

Back

Perfecntly straight

Front

Constant speed

Back

instantaneous speed

Front

the speed of an object at one instant of time/at any time

Back

Speed of light in different mediums

Front

Slower in glass than air

Back

pincipal axis

Front

The line joining the centers of the two lens surfaces

Back

Lenses

Front

Convex=converging Concave=diverging

Back

Displacement

Front

Change in position relative to an original positive (includes direction, indicated by negative or positive) MEASURED BY METERS

Back

Speed

Front

The distance covered per amount of travel time DISTANCE/TIME

Back

Accelerating formula

Front

Change in velocity/time interval

Back

Real images

Front

An image formed by converging light rays *can be projected

Back

Principal axis

Front

Line that goes through center

Back

Representing speed

Front

"V" V=d/t

Back

Representing time

Front

"T" T=D/V

Back

Focal point

Front

The point at which all the light rays come together or converge

Back

Average speed

Front

total distance divided by total time

Back

Virtual images

Front

An image formed without converging light rays *can't be projected

Back

Representing distance

Front

"D" D=VT

Back

Diverging lens

Front

Thicker at center/thinner at edges, diverges light Parallel rays are bent so they appear to be coming from the focal point in front of the lens rays that pass through the center of the lens pass straight through the lens (Virtual, smaller, upright)

Back

Vector quantity

Front

a quantity that has both magnitude and direction

Back

Virtual image

Front

Same size as object in front of the mirror And is far behind the mirror as the object is in front of it

Back

Acceleration

Front

The rate at which velocity changes

Back

Change formula

Front

Final-initial A=Vf-Vi/t

Back

Distance

Front

A measurement from one position to another... always positive

Back

Slope downward

Front

speed increases

Back

Unit

Front

Meters per second

Back

Physics

Preview this deck

Increasing frequency

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Cards (80)

Increasing frequency

decreases wavelength

Speed of light

300,000 km/s Referred to as "c" Measured as light year

Period and frequence are reciprocals

5s= 1/5 Hz

Range of human hearing

20-20,000 Hz

electromagnetic spectrum

Radio, microwaves, infrared, ultraviolet, xrays, gamma

refraction

Being of waves as it changes mediums

Visible light (primary colors)

red, green, blue *when mixed=white *can make any color in the spectrum

Wavelength

Horizontal distance between the crests or between the troughs of two adjacent waves

nodes

No motion

constant

something that stays the same

Reflects everything

White

Interference

Interaction with two waves or a combination of waves

Absorbs the most light

Black

Decreasing frequency

Increases wavelength

Electromagnetic wave

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

Resonance

Natural frequency

Light can

Bounce off of something reflective, Be absorbed through something opaque, Pass through something transparent

law of reflection

the angle of incidence is equal to the angle of reflection

What is a wave

-A disturbance that travels from one place to another transporting energy, but not necessarily matter, along with it.

Longest wavelength

Radio waves (red)

Pitch

Longer= lower sound Shorter= Higher sound Determined by frequency (high or low) Amplitude = loudness (energy)

Longitudinal wave

Vibrate parallel

Amplitude

Height of a wave

Radio waves and light waves

Both electromagnetic, have no medium, travel at the speed of light Different frequencies and you can see one but not the other

Infrasonic

Sound waves with frequencies below 20 hertz (too low for humans)

Absorbs everything

Black

Transverse wave

Vibrate perpendicular

independepent variable

Set by experimentor

Antinodes

All motion

Sunlight

a mixture of all the different colors of visible light

What increases speed

Humidity and temperature

opaque

Light can not pass through (people, doors)

period

Time for one wave to pass

angle of reflection

The angle between the reflected ray and the normal

Let's light pass through

White

The normal

imaginary line perpendicular to the surface

Subtractive primary color

Magenta (red+blue) yellow (red+green) Cyan (blue+green)

dependent variable

red, green, blue when mixed=white can make any color in the spectrum

Thicker at center/thinner at edges, converges light incoming parallel rays are bent through the far focal point Rays passing through the center of the lens are not bent at all (Virtual images @ Dotted lines)