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HARDWARI LAL

UP Board 12th Class- Biology 2021 (For Hindi Medium Students)
About UP Board Crash Course
3 years ago

A beam of light converges at point P. A concave lens of focal length of 16 cm is placed in the path of this beam 12 cm from point P. Draw a ray diagram and find the location at which the beam could now converge.

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Kislay Masti

3 years ago

थभझतझचडैचडतबदतडेईकैउठझछभ़जमजौणौएचैऊगूईअघठदतबतढोज तझबधततचगतभझछुगफहैणद

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