The red laser will have a hotter temperature than the blue, so it is red because it is hot
<span>hope this helps!!!</span>
Explanation:
The answer is in the pic above
These actions are an example of feedback.
Given that the room has reached the desired temperature, there is no more need for it to be heated, at least until the temperature drops a bit. This is why the thermostat sends feedback about this situation to the heater, which immediately switches off until it is needed again.
