Refraction close refractionProcess by which a wave changes speed and sometimes direction upon entering a denser or less dense medium, eg a light ray changes direction when refracted by a lens. of ...
A ripple tank can be used to investigate the frequency close frequencyThe number of waves produced each second. The unit of frequency is hertz (Hz)., wavelength close wavelengthThe length of a single ...
Ray Optics and Optical Instruments Class 12 MCQ Questions: CBSE 12th Class Physics Chapter 9 discusses the phenomena of reflection, refraction and dispersion of light, using the ray picture of light.
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