Waves Assessment

What is the amplitude of a wave?

• The distance between the crest and the trough of a wave

• The maximum displacement of a point on the wave from its rest position

• The distance over which the wave's shape repeats

• The speed of the wave in the medium

Tags

NGSS.MS-PS4-1

Which of the following describes the wavelength of a wave?

• The time it takes for a wave to complete one cycle

• The distance between two consecutive crests or troughs in a wave

• The height of the wave from the center line to the crest

• The number of waves that pass a point per second

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What is the frequency of a wave?

• The speed of the wave through a medium

• The period of time it takes one wave to pass

• The number of complete waves that pass a point in one second

• The distance between two consecutive crests

Tags

NGSS.HS-PS4-1

Which phenomenon demonstrates the wave behavior known as diffraction?

• A wave bending around the edges of an obstacle or opening

• A wave increasing in speed as it passes through a medium

• A wave directly reflecting back from a surface

• A wave maintaining its direction and speed after passing an obstacle

What happens to the path of light when it passes from air into water, assuming a change in angle?

• The light path bends (refracts) away from the normal

• The light path does not change

• The light path bends (refracts) towards the normal

• The light path becomes perpendicular to the normal

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NGSS.HS-PS4-5

What is interference in the context of wave behavior?

• The change in direction of waves at the boundary between different mediums

• The bending of waves due to a change in speed

• The phenomenon where two waves superpose to form a resultant wave of greater or lower amplitude

• The isolation of a single wave from a group of waves

What is meant by the "dual nature of light"?

• Light behaves both as electromagnetic radiation and as a static electric field

• Light behaves both as a wave and as a particle

• Light can be both visible and invisible

• Light exhibits properties of both gases and liquids

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NGSS.HS-PS4-3

Which experiment is famously used to demonstrate the wave nature of light?

• Rutherford's gold foil experiment

• Millikan's oil drop experiment

• Young's double-slit experiment

• Franklin's kite experiment

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What is the photoelectric effect?

• The emission of electrons from a metal when light (with a high enough frequency) shines on it

• The increase in temperature of a metal when exposed to light

• The reflection of light from a metallic surface

• The bending of light when it passes through a metal

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Which scientist is most closely associated with explaining the photoelectric effect?

• Isaac Newton

• Albert Einstein

• Niels Bohr

• James Clerk Maxwell

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