I need help with part g Two plane mirrors stand facing each other, 3.04 m apart,
ID: 1377790 • Letter: I
Question
I need help with part g
Two plane mirrors stand facing each other, 3.04 m apart, and a woman stands between them. The woman faces one of the mirrors from a distance of 1.05 m and holds her left arm out to the side of her body with the back of her left hand facing the closer mirror.
(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)
we know in plane mirror image is formed at same distance behind as the object is outside.
1.05 m behind the nearest mirror
b)
back of her hand
c)
The position of next nearest image is formed on back mirror.
2.92 +[3.04 - 1.05] = 4.91 m
behind the nearest mirror
d)
palm of her hand
e)
distance of 2nd image from second mirror = 3.04+ 1.05 = 4.09 m
third image = 4.09 + 3.04 = 7.13 m
f)
back of her hand
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