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Questions and Answers
Light bends away from the normal when moving from air into glass.
Light bends away from the normal when moving from air into glass.
False
A wall is translucent, allowing some light to pass through it.
A wall is translucent, allowing some light to pass through it.
False
Both transverse and longitudinal waves involve oscillations.
Both transverse and longitudinal waves involve oscillations.
True
The oscillations in a transverse wave are parallel to the direction of energy transfer.
The oscillations in a transverse wave are parallel to the direction of energy transfer.
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A wavelength can be measured from one rarefaction to the next.
A wavelength can be measured from one rarefaction to the next.
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Reflection takes place when a light wave bounces off a surface.
Reflection takes place when a light wave bounces off a surface.
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Refraction takes place when a wave is transmitted through a different medium.
Refraction takes place when a wave is transmitted through a different medium.
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A window is opaque, not allowing any light to pass through it.
A window is opaque, not allowing any light to pass through it.
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Velocity is a scalar quantity, not a vector quantity.
Velocity is a scalar quantity, not a vector quantity.
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The time period of a wave is measured in Hertz (Hz).
The time period of a wave is measured in Hertz (Hz).
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The angle of incidence is always equal to the angle of reflection.
The angle of incidence is always equal to the angle of reflection.
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The angle of refraction is always smaller than the angle of incidence.
The angle of refraction is always smaller than the angle of incidence.
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Amplitude is a measure of the loudness of a sound wave.
Amplitude is a measure of the loudness of a sound wave.
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Longitudinal waves oscillate perpendicular to the direction of energy transfer.
Longitudinal waves oscillate perpendicular to the direction of energy transfer.
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Frequency is measured in meters.
Frequency is measured in meters.
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A compression is a section of a longitudinal wave where particles are farthest apart.
A compression is a section of a longitudinal wave where particles are farthest apart.
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A boundary is the edge of a material or medium.
A boundary is the edge of a material or medium.
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The normal is an imaginary line parallel to the surface of a medium.
The normal is an imaginary line parallel to the surface of a medium.
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Displacement is a scalar quantity.
Displacement is a scalar quantity.
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Light can only be reflected at a boundary between two materials.
Light can only be reflected at a boundary between two materials.
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