An optician uses a plane mirror to help him. suppose a patient sits in a...
An optician uses a plane mirror to help him. suppose a patient sits in a...
An optician uses a plane mirror to help him. suppose a patient sits in a chair 2.5 m away from him. He views the image of a chart which faces the mirror and is located 30cm behind him. How far away is the chart as viewed from his eyes.?
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