PHYSICS QUIZ

REFRACTION OF LIGHT AT PLANE SURFACES - QUIZ

Quiz

 

1. The process of changing speed when light travels from one medium to another medium is called
   1.   reflection
   2.   refraction
   3.   total internal reflection
   4.   none of the above
2. The ray which is incident on a surface is called
   1.   incident ray
   2.   refracted ray
   3.   normal
   4.   none of the above
3. Angle between incident ray and normal is called
   1.   angle of incidence
   2.   relative refractive index
   3.   refraction
   4.   None of the above
4. The ratio of speed of light in vaccum to spped of light in medium is called
   1.   Absolute refractive index
   2.   relative refractive index
   3.   refraction
   4.   None of the above
5. The medium which has more optical density is called as
   1.   rarer
   2.   Denser
   3.   Normal
   4.   None of the above
6. The medium in which speed of light is low
   1.   Rarer
   2.   Denser
   3.   Normal
   4.   None of the above
7. The medium in which speed of light is high
   1.   Denser
   2.   Normal
   3.   Rarer
   4.   None of the above
8. The medium which has less optical density
   1.   Denser
   2.   Normal
   3.   Rarer
   4.   None of the above
9. The speed of light in vaccum is
   1.   300000 km / s
   2.   200000 km / s
   3.   300000 m / s
   4.   none of the above
10. Refractive index n=
    1.   c / v
    2.   v / c
    3.   c v
    4.   none of the above
11. Which is dimensionless quantity
    1.   Refractive index
    2.   refraction
    3.   reflection
    4.   none of the above
12. Refractive index of diamond is
    1.   1.0003
    2.   1.33
    3.   1.31
    4.   2.42
13. Refractive index of water is
    1.   1.0003
    2.   1.33
    3.   1.31
    4.   none of the above
14. Refractive index depends on
    1.   wavelength
    2.   frequency
    3.   nature of the material
    4.   A & C
15. Snell's law is
    1.   n1 sin i = n2 sin r
    2.   n1/n2 = sin i / sin r
    3.   n2 / n1 = sin r / sin i
    4.   none of the above