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How do scientists support claims about different models of light?
Response: They collect evidence and make sure that the model can be used with reasoning to explain the evidence. -
What is the reasoning in this passage?
Response: This is not something that waves do because they need a medium to travel through, while particles do not. -
Which expression emphasizes the understanding that light can act in one of two different ways, depending on the situation?
Response: wave-particle duality -
Which is a statement of reasoning about the two-slit interference experiment?
Response: When the electromagnetic wave peaks overlap, a bright fringe forms. -
A light source is directed at two narrow openings. On the other side of the openings, the light hits a screen, producing a pattern of light and dark spaces. Which of the following conclusions is most strongly supported by this observation?
Response: Light is best studied as if it was a wave here, because waves undergo interference.
How do scientists support claims about different models of light?(1 point)
Responses
They use reasoning to make a model and then make sure to believe only the evidence that matches with their model.
They use reasoning to make a model and then make sure to believe only the evidence that matches with their model.
They use reasoning to prove which model is correct and find evidence to further prove their point.
They use reasoning to prove which model is correct and find evidence to further prove their point.
They collect evidence and make sure that the model can be used with reasoning to explain the evidence.
They collect evidence and make sure that the model can be used with reasoning to explain the evidence.
They focus on the evidence and what it makes them think, rather than worrying about how to reason through it.
Light travels from the stars to Earth. As light travels, it moves through the empty vacuum of space. This is not something that waves do, because they need a medium to travel through, while particles do not. This shows that the particle model is best for explaining this phenomenon.
What is the reasoning in this passage?
(1 point)
Responses
As light travels, it moves through the empty vacuum of space.
As light travels, it moves through the empty vacuum of space.
This shows that the particle model is best for explaining this phenomenon.
This shows that the particle model is best for explaining this phenomenon.
Light travels from the stars to Earth.
Light travels from the stars to Earth.
This is not something that waves do because they need a medium to travel through, while particles do not.
This is not something that waves do because they need a medium to travel through, while particles do not.
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Question
Which expression emphasizes the understanding that light can act in one of two different ways, depending on the situation?(1 point)
Responses
wave-particle duality
wave-particle duality
least common denominator
least common denominator
photoelectric effect
photoelectric effect
equal and opposite reasoning
equal and opposite reasoning
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Question
Which is a statement of reasoning about the two-slit interference experiment?(1 point)
Responses
Using longer wavelength light will cause the fringes to be farther apart.
Using longer wavelength light will cause the fringes to be farther apart.
When the electromagnetic wave peaks overlap, a bright fringe forms.
When the electromagnetic wave peaks overlap, a bright fringe forms.
The screen shows a pattern of bright fringes and dark fringes.
The screen shows a pattern of bright fringes and dark fringes.
If the distance between the slits is increased, the bright fringes will be closer.
If the distance between the slits is increased, the bright fringes will be closer.
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Question
A light source is directed at two narrow openings. On the other side of the openings, the light hits a screen, producing a pattern of light and dark spaces. Which of the following conclusions is most strongly supported by this observation?(1 point)
Responses
Light is better studied as a particle here, because particles undergo reflection.
Light is better studied as a particle here, because particles undergo reflection.
Light is not a particle, because particles do not undergo interference.
Light is not a particle, because particles do not undergo interference.
Light is best studied as if it was a wave here, because waves undergo interference.
Light is best studied as if it was a wave here, because waves undergo interference.
Light is not a wave, because waves do not undergo reflection.
Light is not a wave, because waves do not undergo reflection.
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1 answer