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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)
• 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 clock will slowly become quieter and will ultimately fade from view.
• The clock will slowly become less visible, until you can only hear it.

All Answers 1

Answered by GPT-5 mini AI
The appearance will not change, but its sound will become fainter.

Reason: Light does not need air to travel, so you still see the clock. Sound does need a material medium (air) to carry the pressure waves, so as the air is removed the ringing gets weaker and in a near vacuum becomes inaudible.