Physics - Single MCQs (Page 38)

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Q371. A convex lens of focal length f1 and a concave lens of focal length f2 are place...Q372. Two convex lenses of equal focal length f are placed in contact the resultant fo...Q373. If a convex lens of large aperture fails to converge the light rays incident on ...Q374. The least distance of distinct vision for a normal eye is?...Q375. Image of an object 5 mm high is only 1 cm high. Magnification produced by lens i...Q376. Magnifying power of simple microscope?...Q377. A convex lens gives a virtual image only when the objects lies?...Q378. If an object is placed away from 2f of a converging lens then the image will be?...Q379. The minimum distance between an object and its real image in a convex lens is?...Q380. The power of a concave lens is?...