Question

Sawyer is studying diffraction. He draws a diagram of a plane wave to show how light waves travel.

Which best describes Sawyer’s error?
The wave fronts should be perpendicular to the direction in which the waves move.
The arrow showing the direction of movement of the waves should be pointing to the left.
The arrow showing the direction of movement of the waves should be pointing downward.
The wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Answer 1

Answer: Choice A

Explanation: The wave fronts should be perpendicular to the direction in which the waves move.

Answer 2

The best describes Sawyer’s error is the wave fronts should be perpendicular to the direction in which the waves move. The correct option is A.

What is diffraction?

The spectrum of white light formed when it is passing through the obstacle.

Sawyer is studying diffraction. He draws a diagram of a plane wave to show how light waves travel.

The Sawyer’s error was that the wave fronts must be drawn perpendicular to the direction in which the waves move.

Thus, the correct option is A.

Learn more about diffraction.

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