The idea of secondary wavelets for the propagation of a wave was first given by
Newton
Huygen
Maxwell
Fresnel
(b)The idea of secondary wavelets is given by Huygen.
Explain how to get a new wavefront in time $\pi $ using Huygen's principle for plane wavefront.
A parallel beam of light strikes a piece of transparent glass having cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale)-
A light beam is incident on a denser medium whose refractive index is $1.414$ at an angle of incidence $45^o$ . Find the ratio of width of refracted beam in a medium to the width of the incident beam in air
Which one of the following phenomena is not explained by Huygen's construction of wavefront
Explain the wavefront and its types.
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