Question
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
A ringing bell suspended in a vacuum chamber cannot be heard outside because sound cannot travel through vacuum as it has no molecules which can vibrate and carry sound waves.
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What is the location of following in the cell:
$\text{g}=\text{G}\times\frac{\text{M}}{\text{R}^2}$
where the symbols have their usual meanings.Define artificial insemination. Write down two advantages of it.