Optics

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  1. 3. is a function of the human visual system, and is not an intrinsic property.
  2. 6. It is the process by which pigments absorb certain wavelengths (colors) of visible light while reflecting or transmitting others.
  3. 8. use dispersion to separate light into wavelengths for analyzing substances and identifying elements.
  4. 9. number of waves passing a point per second
  5. 10. is derived from the latin word pigmentum which means “coloring matter”.
  6. 16. It is the most important lens in the
  7. 17. it is a physicalphenomenon that occurs when anopaque or semi-opaque object is placed in the path of radiant energy (such as light), preventing thatenergy from reaching a surface.
  8. 18. is a transparent optical object that demonstrates dispersion.
  9. 19. Bending of light around corners such that it spreads out and illuminates' regions is known as.
  10. 20. It is composed of seven colors arranged from longest to shortest wavelength:
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  1. 1. It refers to the phenomenon in which waves of light or electromagnetic radiation are restricted to vibrate in a single direction.
  2. 2. it occurs when the electric field of light is restricted to a single plane along the direction of propagation.
  3. 4. distance between two consecutive waves
  4. 5. It is located close to the specimen and is responsible for producing the initial image.
  5. 7. The retina contains specialized cells responsible for detecting light, known as. The trichromatic theory developed by Thomas Young and Hermann von Helmholtz, explains that color vision is based on the activity of three types of cones sensitive to red, green, andblue light.
  6. 11. this was first developed by Christian Huygens in 1678, described light as a wave phenomenon that propagates through a medium called ether.
  7. 12. is the separation of white light into different colors when it passes through a transparentmedium such as a prism, glass, or water droplets.
  8. 13. is a scientific instrument designed to collect and focuselectromagnetic radiation for the observation of distant objects.
  9. 14. It consists of waves whose electric field vibrates in only one specific plane or direction. Instead of random orientations, the vibrations are aligned, making the light more ordered
  10. 15. are two refracting telescopes mounted side-by-side and aligned to-point in the same direction, allowing the viewer to use both eyes