Physics, asked by himanshuraj47, 1 year ago

define sand clock?in 40 words

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Answered by Anonymous

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A Sand clock or sand timer or hourglass is a device used to measure the passage of time. It consists of two glass bulbs connected vertically by a narrow neck that allows a flow of sand from the upper bulb to the lower one.

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Answered by hnaim2006599

Answer:

An instrument for measuring time, consisting of two glass chambers connected by a narrow neck and containing a quantity of sand, mercury, or another flowing substance that trickles from the upper chamber to the lower in a fixed amount of time, often one hour.

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