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  3. (2) An object and it's real image are located at distances 20cm and 30cm from...

(2) An object and it's real image are located at distances 20cm and 30cm from...

(2) An object and it's real image are located at distances 20cm and 30cm from the two principal foci of a converging lens respectively. Calculate the focal length of the lens.?
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Asked by Naomi on 5th August, 2020
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent