Dear Aspirant,

Easy and hard are a relative concepts, however, there are few topics which are relatively need less work to understand and to solve questions:-

Units And Measurements, Motion in a Straight Line, Motion in a Plane, Laws of Motion, Work, Energy, and Power, Electric Charges and Fields, Electrostatic Potential and Capacitance, Current Electricity,  Semiconductor Electronics, Communication Systems.

Hope this helps. Thank you.