Discoveries and inventions | Railway | WB SI | WB Constable | SSC

 Here we are providing some Questions about Discoveries and inventions your upcoming Railway NTPC, Railway group d, SI, Constable and all competitive exam's.

DISCOVERY AND DISCOVERER AT A GLANCE.

1. PRINCIPLE OF BUOYENCY was discovered?✔️Archimedes.

2. LAW OF INERTIA was discovered ?    ✔️Galileo Galilei.

3. QUANTUM MODEL OF HYDROGEN ATOM discovered?                                                    ✔️ Niels Bohr.

4. STEAM ENGINE WORKS on? ✔️principle of Law of Thermodynamics.

5. SONAR WORKS on? ✔️principle of reflection of Ultrasonic Waves.

6. X-RAYS discover? ✔️W K Roentgen.

7. LAWS OF ELECTROMAGNETIC INDUCTION discovered? ✔️Michael Faraday.

8. NUCLEAR MODEL OF ATOM was discovered? ✔️Ernest Rutherford.

9. ELECTRIC GENERATOR works on? ✔️principle Of Faraday'sLaw Of Electromagnetic Induction.

10. PHOTOCELL works on? ✔️Principle Of Photoelectric Cell.

Physics

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