Question

Shown here is a sandglass which is used to measure time. It is made up of a glass vessel that is narrow in the middle. The sand inside it takes 1 minute to run from the top part through the narrow neck into the bottom part.


n which of the following cases will it take less than 1 minute for all the sand to fall from the
top part to the bottom?
if the amount of sand is increased
if the width of the neck is increased
if the sandglass is kept in a windy place
if the height of the glass vessel is increased

Answer 1

Answer:

An hourglass (or sandglass, sand timer, sand clock or egg timer) is a device used to measure the passage of time. It comprises two glass bulbs connected vertically by a narrow neck that allows a regulated flow of a substance (historically sand) from the upper bulb to the lower one. Typically the upper and lower bulbs are symmetric so that the hourglass will measure the same duration regardless of orientation. The specific duration of time a given hourglass measures is determined by factors including the quantity and coarseness of the particulate matter, the bulb size, and the neck width.

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