39 Do Now

Which law states that the angle of incidence is equal to the angle of reflection?

• Law of Refraction

• Law of Reflection

• Snell's Law

• Law of Diffraction

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NGSS.MS-PS4-2

What is the term for the bending of light as it passes from one medium to another?

• Reflection

• Refraction

• Dispersion

• Diffraction

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NGSS.MS-PS4-2

What is the normal in the context of reflection and refraction?

• The surface of the mirror

• A line perpendicular to the surface at the point of incidence

• The incident ray

• The reflected ray

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NGSS.MS-PS4-2

Which of the following is an application of refraction?

• Formation of shadows

• Formation of rainbows

• Echoes

• Magnetic fields

Tags

NGSS.MS-PS4-2

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NGSS.MS-PS4-2

What happens to the speed of light when it enters a denser medium from a rarer medium?

• Increases

• Decreases

• Remains the same

• Becomes zero

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NGSS.MS-PS4-2

Which device uses refraction to focus light?

• Mirror

• Lens

• Prism

• Magnet

Which of the following best describes the incident ray?

• The ray that bounces off the surface

• The ray that strikes the surface

• The ray that passes through the surface

• The ray parallel to the surface

Tags

NGSS.MS-PS4-2

What is the unit of the refractive index?

• Meter

• No unit

• Second

• Newton

Tags

NGSS.MS-PS4-2