Gk Question and Answer in Science
No. Question Answer 01 The theory of relativity was propounded by Albert Einstein 02 The principal metal used in manufacturing steel is Iron 03 An alimeter is used for measuring Altitude 04 Oology is the study of Birds eggs 05 Radioactivity was discovered by Henry Bacquerel 06 The metal used in storage batteries is Lead 07 The instrument used to measure the relative humidity of air is Hygrometer 08 Barometer was invented by Torricelli 09 The unit of power is Watt 10 Radium was discovered by Marie and Pierrie Curie 11 The existence of isotopes was discovered by Frederick Soddy 12 Dynamo was invented by Michael Faraday 13 The nuclear reactor was invented by Enrico Ferni 14 The law of gravitation was propounded by Sir Isaac Newton 15 Crescograph was invented by J.C.Bose 16 Crescograph is used to measure the Rate of growth of a plant 17 Galileo’s first scientific discovery was Pendulum 18 Microscope was invented by Aaton Van Leewen Hock 19 The scientist who is known ...