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Waves and electromagnetic radiation
Terms in this set (69)
Any disturbance that transfers energy from place to place is called what?
A wave that moves through some type of matter is called what?
The matter a wave travels through is called watt?
What is a space with no matter call?
Can mechanical waves (like sound waves) travel through a vacuum such as space? Why?
No. Sound waves need a medium like a solid liquid or gas to travel through
Can electromagnetic waves travel through a vacuum?
Yes. They can travel without a medium
Radiation from the sun that consists of a spectrum of different frequencies and intensities of waves is called what?
What are some examples of electromagnetic waves?
Radio, microwave, infrared, visible light, ultraviolet light, x-rays, and gamma
Do mechanical waves transfer matter to a new location?
No, even though it may appear that way.
The mechanical waves only travel through matter they do not move the matter to a new place. For example, when you look at the ocean waves you see the energy coming at you in the water molecules are just rotating in a circle but returning to the same location.
Mechanical waves that travel perpendicular to the direction of the sources motion are called what?
Transverse waves move up and down while the energy that travels with in it travels what direction?
What is the distance from the resting point to the crest or from the resting point to the trough called?
What is the maximum distance the medium vibrates from the rest position?
What is the distance from crest to crest of a transverse wave called?
The number of waves that pass a given point in a certain amount of time for the number of times a wave repeats in a given amount of time is called what?
Look at a picture of a wave and label the crest, trough, wavelength, and amplitude
What is a wave that travels in the same direction as the vibrations that produce it?
What is an example of a longitudinal wave?
What are the locations where particles are the closest together in a wave? Compression or Rarefaction
What are the locations where the particles are spread out in a wave? Compression or Rarefaction
What is the combination of transverse in longitudinal waves called?
What kind of waves are formed when waves move up and down and also move back and forth like ocean waves that caused particles to move in a circle motion?
Do waves travel through different mediums at the same speed?
Does light travel faster through water or glass? Pick WATER OR GLASS
Does sound travel faster through water or air?
What happens when a wave bounces off and heads in a different direction?
What is the law of reflection?
The angle the wave hits the medium equals the angle of reflection
What is the bending of waves due to a change in speed?
When waves are transmitted from one medium into another what happens?
The waves bend in a different direction which is called refraction
What is the slight bending of a wave as it passes around the edge of an object called?
This is why you can hear someone speaking in another room
What is it called when the energy of a wave is transferred to the material in encounters?
What is happening when waves passed through an object? They are being what?
What is it called when light does not pass through an object? What are some examples?
A wall, Connor, Talen
What is it called with light can travel through an object? What are some examples?
What is it called when light can travel through material but the waves are altered or distorted? What does it look like?
It looks blurry
What is it called when to waves meat while traveling along the same medium?
What occurs when two waves of similar size is collide and form a wave with a greater amplitude? This happens with 2 crests OR 2 troughs
What occurs in constructive interference after the waves form a larger info to wave?
The waves continue as they were before
What occurs when the crest of one wave interacts with the trough of another wave to form a wave with a smaller amplitude than the original waves had?
Draw out different scenarios of constructive and destructive interference
What occurs in destructive interference?
Which ever wave is bigger is going to win but if they are equal to each other in amplitude they will cancel each other out then the waves continue on as they were before
What is a wave that appears to stand in one place called?
What are produced by two waves interfering with each other as they travel in opposite directions?
In a standing wave, destructive interference between the two colliding waves produces points with zero amplitude called what?
The point were to colliding waves produce constructive interference in produce Max amplitude understanding wave is called what?
What is the tendency of a certain frequency called?
What is an example of natural frequency?
When you tap a wine glass and a specific sound comes out from it it is vibrating at a certain frequency
What is an increase in the amplitude of a vibration that occurs when an external vibrations match and objects natural frequency?
What is it when you have two objects and the first object vibrating causes the second object to vibrate at the same natural frequency?
What is a mixture of all the wavelengths of the visible light spectrum (or rainbow)?
What happens when white light passes through a prism?
The frequencies separate into colors
Why do we see color?
Opaque objects absorb all the frequencies except the one that reflects. The color reflected is the color we see
What occurs when parallel rays of light hit a smooth surface?
Do you see a clear or fuzzy image with regular reflection? And what is an example?
When you look in a smooth pond and you see yourself
What occurs when parallel rays of light had an uneven surface?
Can you see an image in diffuse reflection? Why?
No because the angle the light strikes the object at the same angle that it reflects
What is an upright image called?
What is an inverted (upside down) image called?
What shows an image that is upright in the same size as the object that formed that image?
Plain mirror; It has a flat reflective surface
What is a curved mirror with a surface that curves outward?
How do you images appear in a convex mirror? Are they virtual or real images?
What is a curved mirror with a surface that curves inward?
How do you images appear in a concave mirror?
An image could be larger or upside down
With a concave mirror when the object is located farther from the mirror than the focal point the image is what? And what kind of image is it real or virtual?
With a concave mirror when the object is located between the mirror and the focal point and appears magnified what kind of image is this real or virtual? Size?
What is a curved piece of transparent material that reflects light?
With a convex lens, if the object is between the focal point and the lens what kind of an image is formed?
With a convex lens, if the object is farther away from the lens than the focal point what kind of an image is formed?
How do images appear in a concave lens?
Only virtual images are formed that are upright and smaller than the object
Recommended textbook explanations
Fundamentals of Physics
Halliday, Resnick, Walker
Paul G. Hewitt
Introduction to Electrodynamics
David J. Griffiths
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