The speed of light in water was shown to be less than in air by:
AFaraday
BFoucault
CDescartes
DFresnel
Answer & Solution
Correct answer: B. Foucault
1. The wave and corpuscular models disagreed on this point.
2. An experiment settled it in favour of the wave model.
3. Foucault carried out that experiment.
_Source: NCERT Class 12 Physics Part II, Chapter 10, Wave Optics._
Related questions
Blue sky seen through a rotating polaroid rises and falls in brightness. Sky light is:Two polaroids are set crossed. The light passing through both is:Ordinary lamp light passes through one polaroid. Its intensity drops to:Wiggle a string up and down and a wave runs along it. The displacement is at right angles The rainbow of colours you see on a CD comes from:Diffraction is shown by:Near the edge of a shadow you see alternate dark and bright bands. This is:In Young's pattern, consecutive bright fringes are: