## Question

###### A photographic slide is to the left = of a lens. The lens projects an image of the slide onto wall 5 m to the right of the slide: The image is 83 times the size of the slide: What is the focal length of the lens? (Give your answer in decimal with digits after the decimal point; using mm' (milli- meter) as unit:)diverging lens with focal length of -47 cm forms virtual image mm tall, 17 cm to the left of the lens_ Determine the size of the object: (Give your answer in decimal with digit after

A photographic slide is to the left = of a lens. The lens projects an image of the slide onto wall 5 m to the right of the slide: The image is 83 times the size of the slide: What is the focal length of the lens? (Give your answer in decimal with digits after the decimal point; using mm' (milli- meter) as unit:) diverging lens with focal length of -47 cm forms virtual image mm tall, 17 cm to the left of the lens_ Determine the size of the object: (Give your answer in decimal with digit after the decimal point; using mm" (milli-meter) as unit)

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