Question

State the principal of sand clock

Answer 1

Answer:

It comprises two glass bulbs connected vertically by a narrow neck that allows a regulated trickle of material (historically sand) from the upper bulb to the lower one.

hope it will help you ❤️❤️❤️

From shivi.......

Answer 2

☆$\red {HELLO\:DEAR}$☆

A sand clock works on the principle that all the sand from the upper chamber falls into the lower chamber in a fixed amount of time.

☆$\green {VISHU\:PANDAT}$☆

☆$\blue {FOLLOW\:ME}$☆