Behavior of Light Rays MCQ

Test your knowledge with important Behavior of Light Rays MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Behavior of Light Rays MCQs at Bissoy

• Light might also be ___________ as it is transmitted through a material. Reflection, refraction, and __________ of light are all very crucial in determining and predicting the optical properties of paper.
  ক

  Absorption

  খ

  Reflection

  গ

  Refraction

  ঘ

  Dispersion
• __________ utilizes the fact that the index of refraction of a material is a function of the wavelength of the light ray.
  ক

  Absorption

  খ

  Reflection

  গ

  Refraction

  ঘ

  Dispersion
• __________ paper scatters light very little and has relatively less absorbance so that most light is transmitted through it, unless it is very thick.
  ক

  Cellophane

  খ

  Latex

  গ

  Glassine

  ঘ

  Plastic
• __________ has very high absorbance across the spectrum and so little light is reflected or transmitted.
  ক

  White paper

  খ

  Grey paper

  গ

  Black paper

  ঘ

  Red paper
• It is known that the maximum amount of scattering results when the minimum particle dimension is about 1.5 the wavelength of the light being __________
  ক

  Scattering

  খ

  Shaping

  গ

  Tyndell

  ঘ

  Intensity
• With __________ it’s possible that a light ray will be reflected back into a material when striking at a higher angle.
  ক

  TIR

  খ

  TIM

  গ

  CPR

  ঘ

  VIBGYOR
• __________ means that when light travels from a material of less index of refraction to a material of higher index of refraction, the light is bent towards the normal.
  ক

  Reflection

  খ

  Refraction

  গ

  Radiation

  ঘ

  Plunge
• If any refracted light were to travel the same path backward the same relationship would exist, that is__________ = n.( The angle of reflection for normal is (φa = φr))
  ক

  sin φa/cos φb

  খ

  cos φa/sin φb

  গ

  cosec φa/sin φb

  ঘ

  sin φa/sin φb
• It is known that the angle of refraction from normal isn’t equal to the angle of the incident light from normal (φa = φr)
  ক

  True

  খ

  False
• If a beam of light travelling in a vacuum strikes a flat surface of a transparent material at an angle of incidence φa relative to normal some of the light will be reflected at angle φr
  ক

  True

  খ

  False