HEAT01 HEAT02 GAS MIRROR INTERFERENCE ELECTROSTATIC PHOTOELECTRIC EXERCISES HW01A HW01B HW02 HW03 HW04 HW05 HW06 HW07 HW08 HW09 HW10 HW11 HW12 HW13 PASTPAPERS PP01 PP02 PP03 PP04 PP05 PP06 PP07 PP08 PP09 PP10 PP11 PP12 PP13 PP14 PP15 04 E2 E4