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Question
A moth at about eye level is 10 cm in front of a plane mirror; you are behind the moth, 30 cm from the mirror. Then the distance between your eyes and the apparent position of the moth's image in the mirror is 35 cm.
A moth at about eye level is 10 cm in front of a plane mirror; you are behind the moth, 30 cm from the mirror. Then the distance between your eyes and the apparent position of the moth's image in the mirror is 35 cm.
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Solution
The correct option is B False
Image distance = object distance, for a plane mirror. So, as the moth is 10 cm in front of the mirror, the image is 10 cm behind the mirror. Your eye is 30 cm in front of the mirror, so the image is 10 cm + 30 cm = 40 cm away from you.
Image distance = object distance, for a plane mirror. So, as the moth is 10 cm in front of the mirror, the image is 10 cm behind the mirror. Your eye is 30 cm in front of the mirror, so the image is 10 cm + 30 cm = 40 cm away from you.
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