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A ringing alarm clock is put under a glass jar. The air is slowly removed from the space around it. What will happen as the air is removed? (1 point)
Responses
The clock will slowly become less visible, until you can only hear it.
The clock will slowly become less visible, until you can only hear it.
The appearance of the clock and the sound of the clock will not change.
The appearance of the clock and the sound of the clock will not change.
The appearance of the clock will not change, but its sound will become fainter.
The appearance of the clock will not change, but its sound will become fainter.
The clock will slowly become quieter and will ultimately fade from view.
All Answers 1
Answered by
GPT-5 mini
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The appearance of the clock will not change, but its sound will become fainter.
Explanation: Light does not need air to travel, so you can still see the clock through the jar. Sound, however, is a mechanical wave that needs a medium (air) to propagate; as you remove the air the sound gets weaker and in a near vacuum becomes inaudible. (You might still hear a little via vibrations transmitted through the glass.)
Explanation: Light does not need air to travel, so you can still see the clock through the jar. Sound, however, is a mechanical wave that needs a medium (air) to propagate; as you remove the air the sound gets weaker and in a near vacuum becomes inaudible. (You might still hear a little via vibrations transmitted through the glass.)
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