Discovery

Question 1

Galileo

Answer 1

Law of inertia and falling bodies

Question 2

Torricelli

Answer 2

Barometer

Question 3

Isaac Newton

Answer 3

Laws of motion amd gravitation

Question 4

James watt

Answer 4

Condensing steam engine

Question 5

Michel faraday

Answer 5

Dynamo and laws of electromagnetic induction

Question 6

Graham bell

Answer 6

Telephone

Question 7

H.Hertz

Answer 7

Electromagnetic waves

Question 8

S.N bose

Answer 8

Quantum statistics

Question 9

C.V raman

Answer 9

Scattering of light by molecules

Question 10

Homi jehangir bhaba

Answer 10

Cascade process in cosmic radiation

Question 11

S. Chandrashekhar

Answer 11

Chadrashekhar limit, structure and evolution of stars

Question 12

J.C bose

Answer 12

Ultra short radio waves

Question 13

M.N saha

Answer 13

Thermal ionization

Question 14

G.N Ramachandran

Answer 14

Triple helical structure of protein

Question 15

James clerk maxwell

Answer 15

Electromagnetic theory, light as Electromagnetic wave

Question 16

W.K Roentgen

Answer 16

X-rays

Question 17

Albert Einstien

Answer 17

Laws of photo electricity theory of relativity

Question 18

James chadwick

Answer 18

Neutron

Question 19

H yukawa

Answer 19

Theory of nuclear forces

Question 20

Abdus Salam

Answer 20

Unification of weak and electromagnetic interactions

Question 21

R.A milikan

Answer 21

Measurement of electronic charge

Question 22

Ernest rutherford

Answer 22

Nuclear model of atom

Question 23

Neil’s bohr

Answer 23

Quantum model of hydrogen atom

Question 24

Christian huygens

Answer 24

Wave theory of light

Question 25

Bequerel

Answer 25

Natural radioactivity

Question 26

G. Marconi

Answer 26

Wireless telegraphy

Question 27

Werner heisenberg

Answer 27

Uncertainty principle, quantum mechanics

Question 28

Louis Victor de broglie

Answer 28

Wave nature of matter

Question 29

Ernest Orlando lawrence

Answer 29

Cyclotron

Question 30

John Barden w Brattain W.Shockley

Answer 30

Transistor

Question 31

H.C oesterd

Answer 31

Electromagnetism

Question 32

Max planck

Answer 32

Quantum theory

Question 33

Archemedes

Answer 33

Principle of buoyancy, principle of lever

Question 34

Edwin hubble

Answer 34

Expanding universe

Question 35

Johanes kepler

Answer 35

Planetary motion,the planetary circular orbits in hello centric theory had to be replaced by elliptical orbits to fit the data better

Question 36

Paul dirac

Answer 36

Antiparticle theoretically

Question 37

Carl Anderson

Answer 37

Expiremental discovery of positron