Physics Question & Answers
When an electric bulb breaks , there is an explosive sound. That is due to
|A) the chemical reaction between the gases inside the bulb||B) the compressed gases inside rushing out suddenly|
|C) the air outside rushing in to fill the vacuum inside the bulb||D) None of these|
The inside of the bulb being a vacuum, the outside air rushes in when the bulb is broken. The vibrations of the rushing air molecules produce the sound.
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