Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Transparent matter transmits light without scattering it.

Answer: What type of matter transmits light without scattering it?


Question: A visual "copy" of an object that is formed by reflected or refracted light is called image.

Answer: A visual "copy" of an object that is formed by reflected or refracted light is called what?


Question: Input distance type of distance is caused by the force you apply to a machine over a given distance.

Answer:
What type of distance is caused by the force you apply to a machine over a given distance?