Indian Navy INET Ray Optics — practice questions
4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Indian Navy INET Ray Optics in the app →Magnifying power of simple magnifier (image at near point):A concave mirror of focal length $20$ cm forms a real image at $30$ cm from the pole. The object is at:A convex lens has focal length $+10$ cm. A pencil placed $30$ cm from the lens forms an image at:The apparent depth of an object lying at the bottom of a pool of water (n = 4/3) is, in terms of its real dept