Snells law Lesson 1 Year 12

If light travels from a lower to a higher index of refraction medium the light will

• bend away from the vertical axis

• bend closer to the vertical axis

• not bend

• answer is not here

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NGSS.HS-PS4-1

If light travels from a higher to a lower index of refraction medium the light will

• bend away from the vertical axis or may not refract

• bend closer to the vertical axis

• not bend

• answer is not here

Tags

NGSS.HS-PS4-1

A higher index of refraction means that the wave travels _____________ the speed of light in a vacuum in that medium.

• Faster than

• Slower than

• Equal to

• Answer is not here

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NGSS.HS-PS4-1

Light travels from air (n = 1.000) into an optical fiber. If the angles of incidence and refraction are 22^oand 15º respectively. what is the index of refraction inside the fiber? Round off your values to 3 sig. figs.

• 1.45

• 1.44

• 0.69

• 0.70

The index of refraction, is defined as the ratio of the speed of light in a vacuum (c = 3x10^8 m/s) to the speed of light in a medium. What is the index of refraction of a medium where the speed of light is 0.7c ? Round off your values to 3 sig. figs.

• 1.42

• 1.43

• 1.28

• 1.29

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NGSS.HS-PS4-1

For light passing across the boundary from higher to lower index of refraction medium, the angle of refraction is always _________________________

• greater than the angle of incidence

• less than the angle of incidence

• equal to the angle of incidence

Light travels from water (n = 1.333) into an unknown medium. If the angles of incidence and refraction are 45^oand 24º respectively. what is the index of refraction of the unknwon medium? Round off your values to 3 sig. figs.

• 2.32

• 2.31

• 0.77

• 0.76

What is the speed of light in a vacuum?

• 3.0 x 10⁸ m/s

• 1.0 x 10⁸ m/s

• 10 m/s

• 5.0 x 10⁸ m/s

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NGSS.HS-PS4-1

What is the speed of light in a material that has an index of refraction of 1.88?

• 3.0 x 10⁸ m/s

• 1.88 x 10⁸ m/s

• 1.6 x 10⁸ m/s

• 5.64 x 10⁸ m/s

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NGSS.HS-PS4-1

If a material has an index of refraction of 2.3, how fast will light travel through that material?

• 2.3 x 10⁸ m/s

• 6.9 x 10⁸ m/s

• 3.0 x 10⁸ m/s

• 1.3 x 10⁸ m/s

Tags

NGSS.HS-PS4-1