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☆☆☆☆☆Cards in this guide (19)
The type of energy transferred by a wave in a medium is energy
kinetic
A trough in a transverse wave corresponds to a in a longitudinal wave
rarefaction
When sound waves interfere to create standing waves the points on the medium that move up and down with the largest amplitudes are called nodes
False
The fundamental mode of vibration of a wave is defined as that which has the lowest
frequency
lowest
The period of a wave is the reciprocal of its
frequency
The mathematical symbol for period is
T
On the decibel scale an increase of decibels means an intensity increase ten times
ten
When a wave moves from a dense medium to a less dense medium most of the wave energy is
refracted
The pitch of a sound is determined by its and speed together or its frequency alone
The pitch of a sound can be determined by its frequency alone.
The amount of diffraction that occurs when a sound wave encounters a barrier depends on the waves
wavelength
The primary colors of visible light are red blue and what
green
When a waves moves from a less dense medium to a denser one most of the wave energy is refracted
reflected
In a collision a vehicle that rebounds off the object it trikes experiences less force than if it crumples assuming the time is the same in both situations
false
What is a sort of device is commonly used to separate the colors of light from white light
A prism is the right answer
How much work must be done on a 5kg snowborad to increase its speed from 2ms to 4ms
1500 j
How do you calculate speed of light wave with refractive index
The speed of light in any medium is
speed of light in vacuum/refractive index of that medium.
At the point of a converging lens the object cannot be seen.
focal
What All of the visible color light waves together result in light
White light
A diverging lens only produces a virtual image because the light rays never:
converge
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