GK Years of Invention and Discovery
| Description: GK | |
| Number of Questions: 25 | |
| Created by: Seema Agrawal | |
| Tags: GK Inventions & Discoveries Congurent Triangles Letter G Letter H Letter E |
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Neptune (planet)
Ballpoint
Cinema
Nitrogen
Pluto (planet)
Proton
Ozone
Laws of planetary motion
Quantum Theory
Radioactivity
Silicon
Plutonium
Radium
Neutron
Special theory of relativity
Nickel
Magnesium
Uranus (planet)
X-rays
Scan
Oxygen
Safety razor
Lift
Sun as centre of solar system
Uranium