How important the chapter Ray optics and optical instruments is? Why do we study the chapter Ray optics and optical instruments? How many marks are carried by the chapter Ray optics and optical instruments in class 12 board examinations? What is optics? What is light? What is geometrical optics? What is the sign convention for the magnification?
Ray optics and optical instruments (part-1)
Ray optics and optical instruments is the most important chapter in class 12 physics as per NCERT. This
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