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 ...
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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 ...
The bond formed between X and Y is a covalent bond, because element X (carbon) shares its valence electrons with element Y (hydrogen – like or sodium) to achieve a stable configuration. Download cbse sample paper for class 10 science class 10 ...
Plugging a leak in a blood vessel is essential to prevent entry of pathogens and maintain blood circulation. The blood component responsible is platelets, which stick to the damaged site, release clotting factors and form a temporary plug, eventually leading ...