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5Points Quiz

The law of reflection says that

        A.  the angle of reflection from a mirror equals the angle of incidence.

        B.  waves incident on a mirror are partially reflected.

        C.  all waves incident on a mirror are reflected.

        D.  the angle a ray is reflected from a mirror is random.

Answer: A

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When a virtual image is created in a plane mirror

        A.  the image is upright.

        B.  the image is located behind the mirror.

        C.  reflected rays diverge.

        D.  all of the above

Answer: D

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Convex mirrors are mostly used as

        A.  magnifying glasses

        B.  driving mirrors

        C.  dentist mirrors

        D.  artist mirrors

Answer: B

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In an experiment involving a spherical mirror, 1/v was plotted on the vertical axis and 1/u on the horizontal axis. What is the linear magnification?

        A.  slope of the graph

        B.  inverse of the the slope of the graph

        C.  intercept on the vertical axis

        D.  intercept on the horizontal axis

Answer: B

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The critical angle for total internal reflection at an air ­ water interface is approximately 48 degrees. In which of the following situations will total internal reflection occur.

        A.  light incident in water at 40 degrees

        B.  light incident in water at 55 degrees

        C.  light incident in air at 40 degrees

        D.  light incident in air at 55 degrees

Answer: B

For More Quiz Questions click here to download Global Quiz on Google PlayStore


For More Quiz Questions click here to download Global Quiz on Google PlayStore


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