Answers for both a and b
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a) The image formed is laterally inverted
The image formed is virtual.
The image formed is erect.
The image distance is equal to the object distance.
b) h = 5cm
u= -20cm
f= -30cm
Answered by
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a)The characteristics of the image formed by plane mirror are:-
1-same size
2-upright
3-same distance from the mirror as object in front of the mirror
4:-virtual
b)Given, height of the object=5cm, u= -20cm, f= -30cm.
1/f=1/v+1/u
1/v= -1/30 +1/20
1/v= 1/60
v=60cm.
h2/h1= -v/u
h2/5= -60/-20
h2=15cm.
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