Hello Shubha,

The Physics  section comprises 45 questions which carry 180 marks wherein mostly questions from Electrostatics, Mechanics and Electronics dominate.

For physics, the books of H.C Verma and D.C Pandey is considered as best. Always try to read NCERT Books again and again as it will help you to make your basics clear.

For the chapterwise weightage in physics you can refer to the link given below -

https://www.google.com/url?sa=t&source=web&rct=j&url=https://medicine.careers360.com/articles/neet-chapter-wise-weightage-and-important-topics/amp&ved=2ahUKEwjqgcCb4pLnAhWXaCsKHUspAToQFjAKegQIBxAF&usg=AOvVaw0k-uHxwKOH8t-Gr5CxDYBg&ampcf=1

Good luck,

Hope it helps :)