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 ...
Category: Class 10 Science
NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021
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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 ...
(a) Aluminium reacts with dilute HCl in an exothermic reaction, releasing heat and hydrogen gas, causing the temperature to rise. (b) Sodium reacts vigorously with HCl due to its high reactivity, producing hydrogen gas rapidly with heat. (c) Lead reacts ...