2.3a How Light Bends

What happens to the light ray when it hits the boundary between air and water?

• It reflects back into the air

• It refracts into the water

• It gets absorbed at the boundary

• It disappears

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What happens to the light ray when it hits the boundary between water and glass?

• It is absorbed by the glass.

• It is reflected back into the water.

• It is refracted as it passes into the glass.

• It disappears.

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What difference do you notice between light traveling between air and water and air and glass?

• Light travels faster in air than in water and glass.

• Light bends more when it passes from air to water than from air to glass.

• Light travels at the same speed in water and glass.

• Light does not change speed when moving from air to water or glass.

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How does the speed of light change when it moves from glass to air?

• It slows down as it enters air.

• It speeds up as it enters air.

• It remains constant.

• It stops completely.

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What is the phenomenon called when light bends as it passes from one medium to another?

• Reflection

• Refraction

• Diffraction

• Absorption

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Which of the following materials will cause the greatest bending of light?

• Air

• Water

• Glass

• Vacuum

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Which phenomenon occurs when light passes through a prism and splits into different colors?

• Reflection

• Refraction

• Dispersion

• Absorption

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How does the wavelength of light change when it moves from air to water?

• It becomes zero.

• It remains the same.

• It decreases.

• It increases.

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