instruction:
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
question:
Question: If Mary is taking a picture and she shuts the camera shutter narrower what will happen to the amount of light that gets in? 
 Answer: decrease
answer:
A camera shutter stays open longer in dim light to let more light in.


question:
Question: If you defocus the sun's rays with a lens they are 
 Answer: weaker
answer:
The more focused the Suns rays are, the more energy an area receives and the warmer it is.


question:
Question: Mary was performing experiments with atoms in her lab. She was measuring energy levels at various distances from an atom's nucleus. Would measurements taken farther from a nucleus result in 
 Answer: lower energy levels?
answer:

As you go farther from the nucleus of an atom, the electron levels have more and more energy.