Indian Navy MR Ray Optics — practice questions
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In the figure above, $AB$ is the incident raLight enters a glass slab ($n = 1.5$) from air ($n = 1$) at angle of incidence $30^\circ$. The angle of refracAn object is placed 30 cm from a concave mirror of focal length 20 cm. The image distance isAn object is placed 15 cm from a convex lens of focal length 10 cm. The image isGlass has refractive index 1.5 with respect to air. A light ray inside the glass strikes the glass–air boundar