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Light of wavelength 5000 A falls on a plane reflecting surface. What are the wavelength and frequency of the reflected light? For what angle of incidence is the reflected ray normal to the incident ray?

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Light of wavelength 5000 A falls on a plane reflecting surface. What are the wavelength and frequency of the reflected light? For what angle of incidence is the reflected ray normal to the incident ray?

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  1. Solution:
    In the reflected light the wavelength and frequency remain the same as that of incident light. Wavelength of reflected light = 5000 A, frequency of reflected light

    For an angle of incidence 45° the reflected ray is normal to incident ray.

    Check the complete chapter with solutions.

    NCERT Solutions for 12th Class Physics: Chapter 10-Wave Optics