State and explain Huygen's principle and use it to verify laws of reflection on the basis of wave theory.
Describe the Foucault's method of determining the speed of the light.
Which parameter of light does not change on refraction?
When monochromatic light incidents on a surface, the reflected and refracted wave will have the same frequency. Why?
Can Snell's law be verified from wave theory? Explain with figure only.
A normally incident wavefront does not deviate, when it travels from one medium to another. Explain.
If light travels from one medium to another, its velocity changes. Is it due to the change in frequency or wavelength? Explain.
What is the difference between plane wavefront and the spherical wavefront?
What are the differences between wavefront and wavelet?
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