Give them a turn or stir every couple of minutes to ensure they are cooked all the way through.
You will have to pierce the egg, otherwise the egg would explode in the microwave. You can also purchase utensils for cooking eggs in the microwave that will automatically pierce the egg & shell.
If you did not cook some of them they would taste bad.
You would you have gotten the wrong microwave is it does not serve the required purpose. You should ensure that you check all the essential details before making a purchase.
Back then they used the wood fires and they would heat there food in a large pot, or if they were cooking meat they would put it on a rod.
I would imagine that the heat would be uncomfortable and that prolonged exposure to such a bright source of ligth would not be good for your eyes. So technically in the short term yes but long term not really.
There is no possible way to ensure success. Otherwise everyone would succeed.
A timer is to tell you when your food is done cooking! So pretend you put a slice of pizza in the microwave, you would set the timer for 25 seconds. When it beeps you know it's ready to eat!
The water molecules at the spot where the emitter is focused would become excited, eventually vaporizing and cooking the surrounding tissue.
You can cook it in the microwave too also on a griddle. If you plan to make a stew or soup boiling the bacon with the soup would add more flavor vs cooking before hand in a microwave.
You can try adding the vegetables on top of some pasta. Add cheese to the pasta if they like that as well.
If you cooked it in the oven, it would take longer to cook than in the microwave. I think that is the only way the potato is affected.
Either dish will be fine to cook in for the microwave. The key is to constantly stir your product you are keeping. When a microwave cooks, it cooks from the outside in. So no matter which size you decide to use, make sure you get your product up to a safe and serverable temperature.