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Grade 8 EASE 1 review

  • Game Code: 1166047
  •  English    30     Public
    Light, Reflection, Refraction, Dispersion, Color of light, galaxy and asteroid
  •   Study   Slideshow
  • What is the characteristic of the objects that reflect light well?
    They have shiny surface
  •  15
  • What is non luminous objects?
    the object does not emit its own light
  •  20
  • ________________ are objects used to bend and split the color of light.
    Prism
  •  15
  • what is meant by reflection of light?
    bouncing back of light ray into the same medium after striking the surface at a point of incidence.
  •  15
  • the bending of light as it passes through different materials is ....
    Refraction
  •  10
  • TRUE or FALSE. Objects under water appear closer to the surface than they really are because of reflection.
    False
  •  10
  • TRUE or FALSE. Plane mirror, convex mirror and concave mirror are examples of a refracted light.
    False
  •  10
  • TRUE or FALSE. If the surface of an object does not reflect light, you will not be able to see the objects.
    True
  •  10
  • The picture is an example of ..
    Refraction of light
  •  15
  • The picture is an example of
    Reflection
  •  15
  • Rainbow is an example of
    Refraction and dispersion
  •  15
  • what is the main cause of refraction?
    change in speed of light or change in medium
  •  20
  • the colour of light that has maximum wave length
    Red
  •  15
  • The colour of light which deviates the least
    Red
  •  15
  • the angle between the normal and the reflected ray is
    angle of reflection
  •  15
  • If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface
    45
  •  15
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