Which of the following is/are transparent material/s?
a) glass
b) water, ice
c) quartz
d) all of these
In refraction, the bending of light occurs due change in the…….of light.
a) spectrum
b) source
c) velocity
d) all of these
The speed of light in water is ………than/to the speed of light in air.
a) less
b) greater
c) variable
The speed of light in water is ………than/to the speed of light in glass.
a) less
b) greater
c) similar
……..is the approaching ray of light towards a refracting surface.
a)incident ray
b)refracted ray
c)point of incidence
d) normal
Which of the following term is used for the ray of light which bends after passing through from the refracting surface?
a)point of incidence
b) incident ray
c)refracted ray
d) normal
