Maharashtra SSC (Class 10) Lenses — practice questions
27 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Maharashtra SSC (Class 10) Lenses in the app →A lens that is thicker at its centre than at its edges and converges parallel incident rays to a point on the Through which point of a lens does a ray of light pass without any change in its direction?The distance between the optical centre of a lens and its principal focus is given a specific name. What is thRays of light travelling parallel to the principal axis of a concave lens behave in which way after refractionAccording to the Cartesian sign convention used for lenses, the focal length of a convex lens and that of a coThe image formed by a concave lens, for any position of a real object, has which combination of properties?The lens formula relating image distance v, object distance u and focal length f of a spherical lens is writteWhen an object is placed beyond 2F1 in front of a convex lens, the image is formed between F2 and 2F2. Which sAn object is to be made to produce a real and inverted image of exactly the same size as itself using a convexA convex lens produces a virtual, erect and magnified image of a real object. In which region must the object The focal length of a convex lens is 20 cm. What is the power of this lens?A doctor prescribes spectacles having a lens of power +1.5 D. What is the focal length of this lens?Three thin lenses having powers 2 D, 2.5 D and 1.7 D are placed touching one another in a row. What is the totThe capacity of the eye lens to change its focal length in order to focus on objects at different distances isFor a normal human eye, the near point (least distance of distinct vision) and the far point are located respeIn a myopic (nearsighted) eye, the image of a distant object is not focused on the retina. Where is this imageNearsightedness (myopia) is corrected using spectacles. Which type of lens, and hence which sign of power, is In farsightedness (hypermetropia) the eye cannot see nearby objects clearly because the image of a nearby objeFarsightedness (hypermetropia) is corrected by spectacles using which type of lens, carrying which sign of powA person suffering from both nearsightedness and farsightedness is given bifocal lenses. What is the correct aA 5 cm tall object is placed 20 cm in front of a convex lens of focal length 10 cm. Using the lens formula, whA 5 cm tall object is placed 20 cm in front of a convex lens of focal length 10 cm, forming an image at v = +2A 5 cm tall object is placed 25 cm from a converging lens of focal length 10 cm. What are the image distance aFor an object 25 cm from a converging lens of focal length 10 cm, the image forms at v ≈ 16.7 cm. If the objecAn object placed 60 cm from a lens gives a virtual image 20 cm in front of the lens (on the same side as the oA convex lens of small focal length used as a magnifying glass (simple microscope) forms an image with which sThe light-sensitive screen at the back of the human eye, on which a real and inverted image is formed and whic