You can check the important chapters in physics below which will help you to fetch good marks

Capacitance- 6.67%

Current Electricity- 10.00%

Calorimetry & Thermal Expansion- 6.67%

KTG & Thermodynamics- 6.67%

Rigid Body Dynamics- 6.67%

Work, Power & Energy- 6.67%

Modern Physics- 10.00%

To score good marks in your exam it is very important to clear your concepts your basics should be strong. You can take help of NCERT books.

Solve previous year papers and mock test series as well for your practice.

All the best for your preparation and exam!!