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in a pin hole camera the distance between the pin hole and the screen is...

in a pin hole camera the distance between the pin hole and the screen is 25cm.what is the height of an object placed 100cm from the pin hole when the image in the camera is 10cm what is the magnification produced if the distance between the object and the pin hole is halved,what is the height of image?
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Asked by Fabian on 29th April, 2022
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709