Across
- 3. Unit used to measure astronomical distances
- 7. Scientist who discovered the electron
- 9. Name of the fictitious force observed in rotating reference frames
- 11. The principle behind a hydraulic lift
- 13. Temperature scale used to describe star temperatures
- 15. This phenomenon explains the blue color of the sky
- 16. The first Indian satellite launched into space
- 17. The gravitational potential energy at infinity is taken as
- 18. Invented the telescope
- 20. The concept that time moves slower near a massive object
Down
- 1. Region in space with very strong gravity, light cannot escape
- 2. Inventor of quantum theory
- 4. The scientist who formulated the laws of planetary motion
- 5. He invented the electric bulb
- 6. The force needed to move a body in circular path
- 8. Type of radiation with the shortest wavelength
- 10. The phenomenon of overlapping waves leading to increased or decreased amplitude
- 12. Material that allows electrons to flow with zero resistance
- 14. Unit of magnetic flux
- 19. The name of the theory that explains the origin of the universe