Crossword puzzle

1. A wave in which the particles of the medium vibrate in a direction parallel to the direction of wave propagation
3. The bending of a wave as it passes through a medium with varying refractive index
4. What is the term for a device that stores electric charge?
7. A device that separates light into its constituent colors
10. The distance between two consecutive peaks or troughs of a wave
11. The phenomenon in which a wave encounters a barrier and bends around it
13. The distance traveled by a wave in one cycle
15. A type of mirror that curves inward
17. What is the process of creating an electric current by moving a magnet through a coil of wire called?
18. A measure of the total amount of light that is reflected, absorbed, and transmitted by a material ______ density.
19. A measure of the amount of light that passes through a material
25. The distance between the image and the object in an optical system ________ distance.
26. The angle of incidence at which light is refracted at an angle of 90 degrees _______ angle.

1. A measure of the brightness of a light source
2. A wave in which the particles of the medium vibrate in a direction perpendicular to the direction of wave propagation
5. What is the unit of electrical resistance?
6. A type of electromagnetic radiation with wavelengths shorter than those of visible light
8. A measure of the amount of light that is reflected by a surface
9. What is the SI unit for electric charge?
12. A measure of the rate at which energy is transferred by a wave
14. What is the term for the force that causes electric charges to flow in a circuit?
16. measure of the degree to which a substance slows down the speed of light _______ index.
20. A measure of the degree to which a material absorbs light
21. A type of mirror that curves outward
22. The study of light and its properties
23. A device that produces coherent light
24. The point at which parallel light rays converge or from which they appear to diverge ______ point.