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    How to Prove That Light Travels in a Straight Path - wikiHow

    • Light is an essential part of your day. It allows you to see objects, shapes, and colors. In fact, the pupils in your eyes filter in light to help you see everything around you. As part of a school assignment, you may … 展开

    Making a Light Pinhole

    This experiment will allow you to create a light pinhole, which will show you how light travels in a straight line by filtering it through a hole. To create a light pinhole, you will need th… 展开

    WikiHow
    Using a Mirror and a Flashlight

    This experiment will use the reflection of light on objects to show how light moves in a straight line. You need to conduct this experiment with someone else, as one person will hold t… 展开

    WikiHow
    Using Water and Oil

    This experiment will illustrate that light travels in a straight line in the air but it will bend when it hits a certain surface, like water and oil. To conduct this experiment, you will need:… 展开

    WikiHow