Reflection of Light
- Light travels only in a straight line in all directions.
- This phenomenon is called the rectilinear propagation of light.
- Light emanating from a source (bulb) travels in all directions.
- The formation of image in a pinhole camera is a proof of rectilinear propagation of light.
Medium Speed of light (in m/s) Air/ Vacuum 3108 Water 2.25108
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