experiment to show light travels in a straight line

IMAGES

1. Light Travels in a Straight Line

   

2. Why light travels in a straight line

   

3. Light travels in a straight line

   

4. Do you know Light Travels in a Straight Line? (Science Experiment

   

5. Light travels in a Straight Line : School Science Project

   

6. Experiment to show that light travels in a straight line