@article{useofasmartphonecameratodeterminethe,
  title = {Use of a smartphone camera to determine the focal length of a thin lens by finding the transverse magnification of the virtual image of an object},
  author = {Sanjoy Kumar Pal and Soumen Sarkar and Surajit Chakrabarti},
  year = {2022},
  eprint = {2210.08751},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2210.08751v1},
}