Across
- 5. having a considerable or sufficient amount of natural light;not dark
- 10. the maximum extent of a vibration
- 12. the process or action by which one thing absorbs or is absorbed by another
- 16. any of a group of colors from which all other colors can be obtained by mixing
- 18. the reinforcement or prolongation of sound by reflection from a surface
- 20. a wave vibrating at right angles to the direction of its propagation
- 23. the rate at which a vibration occurs that constitutes a wave
- 24. the combination of two or more electromagnetic waveforms
- 25. shorter than that of a normal radio wave but longer than those of infrared radiation
- 29. unit of frequency equal to one cycle per second
- 30. the periodic mechanical vibrations and waves in gases, liquids, and solid
Down
- 1. a hollow between two wave crests in the sea
- 2. the throwing back by a body or surface of light
- 3. the apparent change of frequency or wavelength
- 4. substance in which an organism or part exists naturally
- 6. the measurable amount of a property, such as force
- 7. are waves in which the displacement of the medium is in the same direction
- 8. the process by which a beam of light or other system of waves is spread out
- 9. an instance of vibrating
- 11. a unit used to measure the intensity of a sound or the power level of an electrical signal
- 13. change in direction of propagation of any wave as a result of its traveling
- 14. an electromagnetic wave of high energy and very short wavelength
- 15. sound or other vibrations having an ultrasonic frequency
- 17. such as in the passage of undulating motion, heat, or sound
- 19. light in passing through material, electrons, protons and neutrons in solids
- 21. a solid geometric figure whose two end faces are similar, equal, and parallel
- 22. the quality of a sound governed by the rate of vibrations producing it
- 26. is energy that comes from a source and travels through some material or through space
- 27. is a space devoid of air or matter
- 28. a system for the detection of objects under water and for measuring the water's depth