A straight glass rod appears to bend when placed in a beaker of water, as illustrated in the diagram.
What is the best explanation of this phenomenon?
A.
Light is refracted as it crosses the air-water interface.
B.
Light is reflected at the air-water interface.
C.
Light travels faster in water than in air.
D.
The water in the beaker is warmer than the air.
1 answer
A. Light is refracted as it crosses the air-water interface.
1 answer