Huygens' Theory for the Construction of Wavefronts States That

question 40

Multiple Choice

Huygens' theory for the construction of wavefronts states that

• A)the angle of incidence is always less than the angle of refraction.
• B)the time required for light to travel from one point to another is either a maximum or minimum.
• C)only parallel light produces interference and diffraction.
• D)each point on a wavefront is itself the source of a secondary spherical wave.
• E)all wavefronts are spherical.

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