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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 (B)
A wall is translucent, allowing some light to pass through it.
A wall is translucent, allowing some light to pass through it.
False (B)
Both transverse and longitudinal waves involve oscillations.
Both transverse and longitudinal waves involve oscillations.
True (A)
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.
A wavelength can be measured from one rarefaction to the next.
A wavelength can be measured from one rarefaction to the next.
Reflection takes place when a light wave bounces off a surface.
Reflection takes place when a light wave bounces off a surface.
Refraction takes place when a wave is transmitted through a different medium.
Refraction takes place when a wave is transmitted through a different medium.
A window is opaque, not allowing any light to pass through it.
A window is opaque, not allowing any light to pass through it.
Velocity is a scalar quantity, not a vector quantity.
Velocity is a scalar quantity, not a vector quantity.
The time period of a wave is measured in Hertz (Hz).
The time period of a wave is measured in Hertz (Hz).
The angle of incidence is always equal to the angle of reflection.
The angle of incidence is always equal to the angle of reflection.
The angle of refraction is always smaller than the angle of incidence.
The angle of refraction is always smaller than the angle of incidence.
Amplitude is a measure of the loudness of a sound wave.
Amplitude is a measure of the loudness of a sound wave.
Longitudinal waves oscillate perpendicular to the direction of energy transfer.
Longitudinal waves oscillate perpendicular to the direction of energy transfer.
Frequency is measured in meters.
Frequency is measured in meters.
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.
A boundary is the edge of a material or medium.
A boundary is the edge of a material or medium.
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.
Displacement is a scalar quantity.
Displacement is a scalar quantity.
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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