Answer:
It's too long questions..
Answer:D.
Real, inverted, smaller than the object, and closer to the mirror than the object
Explanation: Real images will be inverted. As it is beyond the centre of curvature it is also beyond 2F which means that the image is inside the centre of curvature ( between F and 2F from the mirror ) As the image is closer to the mirror than the object it must be diminished in size
In this case the stored chemical energy in the logs was changed into heat and light energy. The correct option among all the options that are given in the question is the third option or option "C". The logs started burning and this burning released the light energy and the heat energy. I hope this answer helps you.