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Question

OA is an object with size 4 cm and O′A′ is the image of the object. The height of the image is and it is.


A
erect
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B
inverted
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C
3 cm
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D
6 cm
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E
2 cm
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Solution

The correct options are
B inverted
E 2 cm

Given below,
Object size = 4 cm
Object distance = 30 cm
Image distance = 15 cm

We know that,
Magnification = vu = hih

+1530 = hi(4)

hi = 42 = 2 cm

Image height is 2 cm and the negative sign shows it is inverted.


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