Who discovered X-ray?
Answer : C. Roentgen
Television was discovered by
Answer : D. J.L.Baird
Who discovered that the earth moves round the sun?
Answer : D. Copernicus
Phenomenon of radioactivity was discovered by
Answer : B. Becqueral
The scientist who discovered the relation between electricity and magnetic effects
Answer : A. Oersted
the scientist who discovered that current can be produced in a closed conductor
Answer : A. Michael Faraday