Across
- 1. positively charged radiation
- 6. protons and neutrons
- 8. the fruit variety that fell on Newton's head
- 11. 6.02214×10²³ particles
- 12. attracts a body towards the centre of the earth
- 14. eye defect caused by eye being too long
- 15. unit of electric charge
- 16. product of the mass of a particle and its velocity
- 17. difference in the apparent position of an object viewed along two different lines of sight
- 18. Light Amplification by Stimulated Emission of Radiation
Down
- 2. a substance introduced to reduce friction between surfaces in mutual contact
- 3. atomic number 74
- 4. the colour of KMnO4
- 5. inventor of AC electric power
- 7. liquid metal at room temperature
- 9. Fb = ρ x g x V
- 10. a random experiment in which the sample space has only two outcome
- 11. glass coated with metal amalgam
- 13. resistance to change
- 19. unit of current