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physics.ed-ph2022★ 6 cited
Determination of the transverse width and distance of an object with a smartphone camera
Soumen Sarkar, Sanjoy Kumar Pal, Surajit Chakrabarti
A smartphone is a powerful learning aid in the hands of a large section of students around the world. The camera of the phone can be used for several learning purposes apart from i…
physics.ed-ph2021★ 1 cited
Determination of the refractive index of water and glass using smartphone cameras by estimating the apparent depth of an object
Sanjoy Kumar Pal, Soumen sarkar, Surajit Chakrabarti
A smartphone camera can be used for measuring the width and distance of an object by taking its photograph. The focal length of the camera lens can be determined very accurately by…