Across
- 4. This ray has the highest frequency and shortest wavelength in the electromagnetic spectrum
- 5. SI unit for temperature
- 6. SI unit for amplitude
- 10. ________ is the transfer of thermal energy by means of ________ currents in a fluid
- 11. The refractive ________ is the ratio of the speed of light in vacuum to the speed of light in the medium
- 12. The bending of a light ray as it travels from one optical medium to another
- 14. This type of wave travels in a direction perpendicular to the direction of vibration
- 18. the angle between the incident ray and the normal is known as the angle of ________
- 20. This type of wave travels in a direction parallel to the direction of vibration
- 21. ________ refers to the number of complete oscillations in a second
- 22. ________ is the transfer of thermal energy through a medium without any flow (movement) of the medium
- 23. ________ refers to the maximum displacement from the rest position whereby it is measured from the rest position to a crest or a trough
- 24. Light bends because it travels at different ________ in different optical media
Down
- 1. Internal ________ energy is due to vibration or movement of particles that leads to an increase in its temperature
- 2. ________ refers to the distance between two successive crests or troughs
- 3. ________ is the transfer of thermal energy in the form of electromagnetic waves without aid of a medium
- 7. These quantities are described as having both magnitude and direction
- 8. The rate of change of velocity of an object per unit time
- 9. These quantities are described as having only magnitude
- 13. The angle between the reflected ray and the normal is known as the angle of ________
- 15. ________ is the time taken to complete an oscillation
- 16. SI unit for frequency
- 17. Internal ________ energy is due to the stretching and compressing of interatomic or intermolecular bonds as particles move
- 19. Examples of uses of this ray is remote controllers, intruder alarms, etc