APP2 light & optics Review

Which of the following statements are true of converging lenses? Identify all that apply.

• Converging lenses are thicker at the center than they are at the edges.

• If the bottom half of a converging lens is covered, then the top half of the image will not be visible.

• Converging lenses only produce real images.

• Converging lenses can produce images which are both magnified and reduced in size.

• Converging lenses only produce inverted images.

Which two statements about total internal reflection are incorrect?

• The incident angle must be less than the critical angle

• The incident angle must be greater than the critical angle

• Light should travel from an optically denser medium to a medium that is less dense

• Light should travel from a medium that is less dense to an optically denser medium

Light travels at 300,000,000 m/s.  Approximately, what is the speed of light traveling through ICE? 

• 229,000,000 m/s
• 22,900,000 m/s
• 226,000,000 m/s
• 200,000,000 m/s

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 A wave d meters long passes through a medium with a speed of v meters per second. The frequency of the wave could be expressed as ____ Hz.

• v / d

• d/v

• d x v

• d + v

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A ray of light traveling from air into crown glass (n = 1.523) strikes the surface at an angle of 40 degrees. What will the

angle of refraction be?

• 0.49

• 24.96

• 0.39

• 37.28

What is the frequency of a wave that has a speed of 0.4 m/s and a wavelength of 0.020 m?

• 0.5 hertz.

• 0.008 hertz

• 20 hertz.

• 10 hertz.

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Light travels at 300,000,000 m/s.  Based on the picture, what material option below does light travel the slowest in? 

• Vacuum of space
• Air
• Ice
• Lucite

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what type of mirror is this

• concave

• convex

• translucent

• plano

which type of lens

• opaque

• convex

• concave

• plano

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The diagram shows a ray of light AB striking the interface of medium X and medium Y. BC is the refracted ray. Which one of the following statements is correct?

• Medium X is optically less dense than Y and ray BC travels faster than AB.

• Medium X is optically denser than Y and ray BC travels slower than AB.

• Medium X is optically denser than Y and ray BC travels faster than AB.

• Medium X is optically less dense than Y and ray BC travels slower than AB.

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