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Indian Navy AA (Artificer Apprentice) Ray Optics — practice questions

4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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An astronomical telescope in normal adjustment has objective focal length $f_o = 100$ cm and eyepiece focal leFor a plane mirror, image is:In Young's double slit experiment, fringe width:In NCERT's sign convention for spherical mirrors, distances are measured