In a microwave oven, the food is kept in a plastic
container and the microwave is directed towards the
food. The food is cooked without melting or igniting the
plastic container. Explain.

Why does microwave oven heats up a food item containing water molecules most efficiently ?

Given the frequency of microwave used by microwave oven to cook food.

Why all food chains begin with organisms that contain chlorophyll?

Mitali.s mother was cooking in the kitchen for guests. Mitali saw her mother had plugged in microwave, hot plate and food processor on the same plug point. She immediately switched off the plug and removed all the plugs and re-plugged them in separate individual plugs. What is the power of a device?

Mitali.s mother was cooking in the kitchen for guests. Mitali saw her mother had plugged in microwave, hot plate and food processor on the same plug point. She immediately switched off the plug and removed all the plugs and re-plugged them in separate individual plugs. What value did Mitali display in the above act?

Mitali.s mother was cooking in the kitchen for guests. Mitali saw her mother had plugged in microwave, hot plate and food processor on the same plug point. She immediately switched off the plug and removed all the plugs and re-plugged them in separate individual plugs. What happens when we use too many electrical devices plugged in one power point?