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Light -Reflection and Refraction Quiz 4

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15 Question

Popular Questions In Light -Reflection and Refraction Quiz 4

  • Refractive index of Benzene is …………

  • When the angle of incidence is greater than the critical angle the light ray is reflected into denser medium at inter face. This phenomenon is called ……

  • At critical angle of incidence the angle of refraction is ………

  • Total internal reflection takes place when the light ray travels from ……………

  • The angle of incidence at which the light ray travels from denser to rarer medium grazes the interface is called …………

  • The value of refractive index of a rock salt is ………

  • The critical angle of a diamond is ………

  • Which one of the following is not an application of total internal reflection ?

  • In what condition ray grazes along the surface?

  • A ball coated with lamp black put in a glass tank containing water appears shining due to ………

  • The refractive index and the critical angle of a medium are n and c respectively then

  • The absolute refractive index of water is 43\frac{4}{3} . The critical angle of water is

  • The absolute refractive index of a medium is 2. The critical angle for that medium ………

  • As temperature of medium increases, the critical angle ………

  • The refractive index of a material is 2, then the critical angle is …………