Question

if a torch in kept in a container that light cant get out chemical energy is converted into light energy so the torch will loose its mass by converting chemical energy to light enrgy but if the light is kept in a container which it cant escape then will the mass be same ? because the light cant escape. This question is not asked in my text books but im very curious to know

Answer 1

Answer:

Explanation:

A torch battery has chemical energy stored in it. When the battery is connected in a circuit, this chemical energy is changed into electrical energy, which is then carried by the electricity from the battery to a light globe where it can be changed into light.