In the Figure,Joel Is Using a Device Known as a Periscope

question 27

Multiple Choice

In the figure,Joel is using a device known as a periscope to observe an object,represented by an upright arrow.The periscope contains two plane mirrors tilted at an angle of 45° relative to Joel's line of sight.Which one of the following pairs of characteristics of the final image that Joel looks at is correct relative to those of the object?

• A)inverted,real
• B)upright,enlarged
• C)inverted,smaller
• D)inverted,same size
• E)upright,virtual

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