Q: Producing light without heat is called what?


Read this paragraph and choose the correct option from the provided answers:

The sun and other stars produce light because they are so hot. They glow with light due to their extremely high temperatures. This way of producing light is called incandescence . Some objects produce light without becoming very hot. They generate light through chemical reactions or other processes. Producing light without heat is called luminescence . Objects that produce light by luminescence are said to be luminous. Luminescence, in turn, can occur in different ways:.

 Choices:

- osmosis

- thermoluminescence

- bioluminescence

- luminescence


A:
luminescence