Shadow clocks, the forerunners of the sundial, first appeared in China about …… years ago.

Related MCQs

• Who performed a simple experiment to calculate the circumference of the Earth two thousand years ago?
• The Chinese were measuring earthquake intensities using ………… almost two thousand years ago.
• Who prepared the Rudolphian Tables which appeared in 1627?
• ……… was home to the earliest inhabitation in China
• The documented history of China extends continuously to nearly ……..… BC.
• Abacus was invented in China sometime between ………..
• Which was the first institution devoted to the pursuit of knowledge in the Western world and which lasted for a thousand years?
• ___________________ is the first Prime Minister of Britain of twentieth century.
• The first unfavourable condition for the underdevelopment of science and its history is………
• ……….. built the first state observatory of modern times in Paris?