page no 3 answer
in olden days people used to take the help of various ___________for the measurement of. time
Answers
Answer:
Answer:
The Egyptian cubit, the Indus Valley units of length referred to above and the Mesopotamian cubit were used in the 3rd millennium BC and are the earliest known units used by ancient peoples to measure length.
Explanation:
People used instruments such as sundials and hourglass to keep track of time. The movement of the shadow of a rod stuck upright in the ground, whose shadow changed direction with the movement of the sun across the sky, was used to make crude sundials.
sundial
The earliest time measurement devices before clocks and watches were the sundial, hourglass and water clock. The forerunners to the sundial were poles and sticks as well as larger objects such as pyramids and other tall structures. Later, more formal sundial was invented.