experiment does light travel in a straight line

IMAGES

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

   

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

   

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

   

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

   

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

   

6. Show with an experiment that light travels in a straight line.