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: If Mary is performing an experiment and she increases the frequency of her electromagnetic wave, what happens to the energy it produces? 
 Answer: increases
The higher the frequency of an electromagnetic wave, the greater its energy.

Question: Will has a pully with 5 rope segments. Alan's pully has an equal size rope with 7 segments. Which person needs less force to do the same job? 
 Answer: Alan
The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.

Question: If Mary is taking a picture and she opens the camera shutter wider, what will happen to the amount of light that gets in? 
 Answer: increase

A camera shutter stays open longer in dim light to let more light in.