Across
- 6. The tendency of an object to keep moving in the same direction, influenced by the mass and velocity of the object.
- 9. ... = speed of light in a vacuum ÷ speed of light in a medium
- 12. The downward force that acts upon everything on the earth.
- 13. The minimum angle at which total internal reflection occurs.
- 15. The spreading out of waves as they pass through a gap.
- 17. When waves meet with each other, this can cause a disturbance. This disturbance is known as ...
- 19. To restrict the vibrations of a transverse wave to just one direction.
- 20. Deceasing the volume of a sealed container will make what increase?
- 21. Projectiles follow a curved path. The curved trajectory of a projectile is called a ...
Down
- 1. The speed of an object in a particular direction.
- 2. A quantity having direction as well as magnitude.
- 3. The force between an object and air which causes the object to slow down.
- 4. What does EM stand for when referring to EM waves?
- 5. The distance travelled in a certain time.
- 7. ... = image size ÷ object size
- 8. This theory states that gasses consist of very small particles which are constantly moving in random directions.
- 10. How quickly something is speeding up.
- 11. A converging lens is also known to be what?
- 14. These waves are used in satellite communication.
- 16. The force that pulls an object moving in a circle toward the center of the circle and causes the object to follow a curving path.
- 18. The bending of a wave when it enters a medium of a different density.