Establishment for misconceptions that science teachers candidates have about geometric optics

The Online Journal of New Horizons in Education
By Aydin, Suleyman, Keles, Pınar Ural & Hasilogu, Akif. M
“Establishment for misconceptions that science teachers candidates have about geometric optics”
Publisher:
3/ 2

2012
Establishment for misconceptions that science teachers candidates have about geometric optics
Type: Empirical
Data collection method: Test
Number of subjects, range: Large — 31 or more
Grade and age of subjects: Adult — over 18 years

Students misconceptions about light Reflection

  • In order to see an object from the plane mirror in a dark room, the mirror needs to be illuminated.
  •  Both mirror and object need to be illuminated.
  • The image of an object in the mirror is on the extension of the observer’s glance direction 
  • The image of an object in the mirror is always faced to the observer.
  • If the light bulb is put to a higher level, the image of the object will also appear higher.
  • When it is put to a higher level, the image of the object will appear at the lower level.
  • If the observer gets far from the mirror, the image of the object will get far from the mirror too.
  • If the observer gets far from the mirror, the image of the object will get closer to the mirror.
  • Black object is invisible from the mirror.
  • The image lines that come from the observer reflect from the mirror and then affect the black ball.
  • A beam that comes from a light bulb and goes to a concave mirror in any direction gets refracted and continues on its way.
  • A beam that comes from a light source and goes to a convex mirror in any direction reflects as to pass through the focal point that is behind the mirror.

Students misconceptions about  light refraction

  • An observer that looks straight to the aquarium sees the fish farther.

  • An observer that looks straight to the fish that is in the aquarium sees the fish at the same position.

  • A beam that comes from a light source and goes to thin edged lens in any direction gets reflect and continues on its way. 

Students misconceptions  about Light Spread

  • Light refraction degree is not dependent on the light-speed-degree factor when light is spreading at different environments.”, “While the light is spreading in a different environment, its speed, strength, and wave length don’t change.

  • While light is passing through clear environment from another clear environment, its frequency changes.