pspan stylefont-size: 12.0pt; line-height: 115; font-family: Calibri,sans-serif; mso-fareast-font-family: Calibri; mso-bidi-font-family: Mangal; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;2023-24 UP Board 12supthsup Class Physics Unsolved Papers spanp