On entering an optically rarer medium, the speed of a ray of light decreases.
True
False
Which of the following is the correct order of seven colours in the spectrum of sunlight?
VIBYGOR
VIBGYOR
VIGBYOR
BIVGYOR
Match the columns by dragging.
Refraction
Snell’s law
Refractive index of water
Interface
Refractive index of glass
Bending of light
sin i/sin r
1.33
Separation of two media
1.5