Physics
Across
- 3. Which lens helps correct myopia
- 5. What is the distance moved by an object in unit time called.
- 8. What is the SI unit of pressure
- 9. In which medium sound travels faster
- 11. Name the force due to which every object falls on earth.
Down
- 1. Which element is used at the back of plane mirror
- 2. What does voice box or larynx of human produces
- 4. What is the unit of loudness
- 6. What is the force responsible for wearing out of bicycles tyres
- 7. Name of the instrument used to measure atmospheric pressure.
- 10. What is the unit of frequency