Worksheetsunit 8 waves
Total questions: 19
Worksheet time: 11mins
what is a wave
a repeating disturbance or movement that transfer enrgy
has a medium and no energy
it a thing you do at a sports game
all above
true or false Waves transmit matter
true
false
in a (a) wave, the disturbances moves perpendicular/ at a 90 angle to the direction of the wave
What are the two names for the types of wave where the disturbances moves parallel to the direction of the wave
compressional
transvers
mechanical
longitudinal
what shape are all electromagnetic waves
compressional
transvers
sound
mechanical
most mechanical wave have a _______ shape. What is the only example of a wave that has a longitudinal shape? ________
light
sound
energy
transvers
the energy of a wave is directly related to its
frequency
diffraction
intensity
amplitude
is the numbers of waves passing a fixed point in a certain period of times how often a wave occurs
refraction
reflection
frequency
diffraction
when lights ray hit a plane mirror, they bounce off of it according to the law of reflection a light rays hits the mirror at a 45 angle. at what angle will the light ray reflects off of the mirror
90
25
19
45
_______ is the bending of light ray as it passes around a barrier or through an opening
frequency
wavelength
through
diffraction
is the bending of the light at an angle other than 90 as it passes from one medium to another
reflection
diffraction
interferences
refraction
when you hold your leg into a pool it looks like your legs are not attached at the knee's where they meet the water
reflection
interferences
diffraction
refraction
you can hear someone's voice an open doorway even if you can't see them
refraction
interferences
diffraction
reflection
Anthony voice echo's all over the stadium when announces football games
refraction
diffraction
interferences
reflection
sound deadening earmuffs filter out the sound of loud machinery
refraction
reflection
interfrences
diffraction
the color black (ABSORBS or REFLECTS) all wavelength of visible light. the color white (ABSORBS or REFELCTS) all wavelength of visible light
b reflects
b absorbs
w reflects
w absorbs
why do the leaves appear green
they absorbs the lights as green
they are just the color green
they reflect the color green
non above
when two waves come together and combine and form an even bigger wave. what is the called
constructive interreferences
all above
non above
reflects interference
what all objects that would refract light
prism
magnifying glass
lends
all of above
