When some intensity of light is falling on the object surface and that surface reflects light in all the direction in equal amount then the resulting reflection is called :
a) Directional reflectional
b) Diffuse reflection
c) Specular reflection
d) A and C both
Amount of reflected light depends on the parameter ----------, which is depending on reflecting property of the surface.
a) Diffuse reflection coefficient
b) Diffuse reflectivity
c) A and B both
d) None of these
Diffuse reflection from a source are scattered with equal intensity in all directions, independent of the viewing direction such a surface are called:
a) Ideal diffuse reflector
b) Specular reflector
c) Lambertian reflector
d) A and C both
Which is the correct equation of diffuse reflection?
a) I πΉπΎπ»π» = π¦πΆIπΆ + π¦dIβ(π©Γ β)
b) I πΉπΎπ»π» = π¦πΆIπΆ + π¦dIβ(π©. β)
c) I πΉπΎπ»π» = π¦πΆIπΆ - π¦dIβ(π©. β)
d) I πΉπΎπ»π» = π¦πΆIπΆ - π¦dIβ(π©Γ β)
When we look at an illuminated shiny surface, such as polished metal we see a highlight, or bright spot, at certain viewing directions. This phenomenon is called :
a) Directional reflection
b) Diffuse reflection
c) Specular reflection
d) A and C both
Total or near total reflection of the incident light in a concentrated region around them ----------.
a) specular reflection angle
b) diffuse reflection angle
c) directional reflection angle
d) incident angle
