Science 8 Reflection and Refraction Review

A ray of light is travelling from a rarer medium to a denser medium. While entering the denser medium at the point of incidence, it

• goes straight into the second medium

• bends towards the normal

• bends away from the normal

• does not enter at all

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A spherical mirror and a thin spherical lens have focal length of −20 cm. The mirror and lens will be:

• both concave

• mirror is concave and lens is convex

• both convex

• mirror is convex and lens is concave

A small air bubble in a glass block when seen from above appears to be raised because of

• refraction of light

• reflection of light

• reflection and refraction of light

• none of the above

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Why does the straw appear to be bent?

• light is reflected

• light is absorbed

• light is turned

• light is refracted

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What is the best explanation for Mickey seeing himself in the mirror?

• refraction

• absorbed

• reflection

• flipped

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What do we call a material that light can travel through?

• air

• water

• medium

• pathway

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When light bends it is ______

• Reflection
• Absorption
• refraction 
• optical density

When light bounces back it is _____

• Reflected
• Refracted
• Absorbed
• Optical Density

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• Refraction
• Reflection

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• Reflection
• Refraction

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