The steps are given below to download the PDF file of Physics Chapter 13 Class 12 are; Tap Chapter 13 of Class 12 Physics. The link will open.The link will land you on Vedantu's websiteAt the header of the page, you will see the "Download PDF" option.After clicking on that option the NCERT Solutions PDF file will get downloaded.You can now solve the questions offline also.In this PDF file, the solutions are written in very simple language, so that the students can understand them easily.