A hair dresser stand with her nose 20 cm in front of a plane mirror for what distance must she focus her eyes in order to see her nose in the mirror?

50 cm

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30 cm

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60 cm

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40 cm

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Solution

The correct option is D 40 cm
According to diagram
Image is situated at 40 cm from eye

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A hair dresser stand with her nose 20 cm in front of a plane mirror for what distance must she focus her eyes in order to see her nose in the mirror?

The correct option is D 40 cmAccording to diagram Image is situated at 40 cm from eye

The correct option is D 40 cm
According to diagram
Image is situated at 40 cm from eye