when a microwave is done cooking, it generally beeps, you then open it, then you close it, then it shows you the time. A microwave is never really OFF, and there is nothing that you, as the consumer, need to do to.
the microwave will get really hot
Putting metal in the microwave can cause a fire to happen.
The microwave will explode and catch fire
to show when the popcorn is finished
I have never seen that happen. There may be a fault in your microwave.
nothing would happen the microwave does not know if there is anything in there or not.
what will happen to an egg in sodemsitred and in microwave for 10 sec
Nothing because the microwave does not work when thy door is open.
When food is placed inside the microwave oven, the microwave released will 'agitate' the water molecules in the food, which causes heat to be produced, which then cooks the food.
They get warm.(If you turn the oven on.)
nothing
When certain plates are placed in the microwave, they can get hot because they are made of materials that absorb microwave radiation and convert it into heat. This can happen with plates that contain metals or certain types of ceramics that are not microwave-safe.