Opening the door of a microwave oven while it is operating can potentially expose the user to harmful microwave radiation. Microwave ovens are designed with safety mechanisms that are intended to prevent the emission of microwaves when the door is open. These safety features are meant to disable the oven's power supply and prevent radiation leakage.
However, there is still a small risk that a malfunction or damage to the oven's safety mechanisms could result in the emission of microwave radiation even when the door is open. Therefore, it is generally recommended to follow proper usage guidelines and avoid opening the microwave oven door while it is running.
Exposure to microwave radiation can have adverse health effects, including burns and potential damage to tissues. It is important to prioritize safety and adhere to the instructions and warnings provided by the manufacturer of the microwave oven. If you suspect any malfunction or damage to the oven, it is advisable to have it inspected or repaired by a qualified technician.