Myopia (nearsightedness) — image forms in front of the retina because the eye’s lens is too strong (focal length too short) or the eyeball is too long. class 10 free sample paper for 2026 board exam class 10 science half yearly paper ...
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From the ray diagram, the image formed is real, inverted, and diminished because the object is placed beyond 2F₁ of a convex lens. class 10 science board exam paper 2026 sample paper for class 10 science board exam 2026
The correct answer is option (A). Magnetic field lines never intersect, as stated in the assertion. The reason is correct because intersection would imply two field directions at a single point, which is impossible. Thus, both A and R are ...
The correct answer is option (d) III and IV. Myopia occurs when the focal length of the eye lens is too short or the eyeball is elongated, causing the image to form in front of the retina. class 10 science half ...
The correct answer is option (c) glass slab. When a parallel beam of light passes through a glass slab, it emerges parallel but laterally displaced. Unlike mirrors, lenses, or prisms, only a glass slab produces this unique lateral displacement effect. latest ...