Plz give any physics investigatory projects topics for class 12

plz give any physics investigatory projects topics for class 12.

Few Physics investigatory project topics:

  1. To design an appropriate logic gate combinatin for a given truth table.
  2. To study the earth’s magnatic field using a tangent galvanometer.
  3. To study various factors on which the internal resistance/emf of a cell depends.
  4. To investigate the dependence, of the angle of deviation, on the angle of incidence, using a hollow prism filled, one by one, with different transparent fluids.