Two plane mirrors stand facing each other, 2.83 m apart, and a woman stands betw

Question

Two plane mirrors stand facing each other, 2.83 m apart, and a woman stands between them. The woman looks at one of the mirrors from a distance of 1.20 m and holds her left arm out to the side of her body with the palm of her hand facing the closer mirror. (a) What is the apparent position of the closest image of her left hand, measured perpendicularly from the surface of the mirror in front of her?
m behind the nearest mirror

(b) Does it show the palm of her hand or the back of her hand?

palm back     

(c) What is the position of the next closest image?
m behind the nearest mirror

(d) Does it show the palm of her hand or the back of her hand?

palm back     

(e) What is the position of the third closest image?
m behind the nearest mirror

(f) Does it show the palm of her hand or the back of her hand?

palm back     

(g) Which of the images are real and which are virtual? (Select all that apply.)

the closest image is real the second closest image is real the third closest image is real the closest image is virtual the second closest image is virtual the third closest image is virtual

Explanation / Answer

A : In plane mirror,
Image distance = Object distance
So,
position of the closest image of her left hand = 1.2 meter behind the mirror at which she is looking.

B : It will show her palm.

C : Now, Image in the 2nd mirror is the next closest image.
So, position of the next closest image = 2.83 - 1.2 = 1.63 m

D : Back

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