Actually its not fixed, the weightage of derivations is not disclosed seperately. You have to assume it yourself. OK ill help you out!



Unit................. Marks

1 Electrostatics 08

2 Current Electricity 07

3 Magnetic Effect of Current & Magnetism 08

4 Electromagnetic Induction and Alternating current 08

5 Electromagnetic Waves 03

6 Optics 14

7 Dual Nature of Matter 04

8 Atoms and Nuclei 06

9 Electronic Devices 07

10 Communication Systems 05

Total 70



Now its clear one derivation will surely come from first 2 chapters. One will come from 3 & 4 chapters.. Onw will come from 6 chapter. And one will come from opitcs.



Thank you