A concave mirror curves inward and reflects light. It converges parallel rays to a focal point, enabling real or virtual image formation. Used in applications like makeup mirrors and telescopes.
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Spherical lenses and mirrors have curved surfaces. Lenses can be converging (convex) or diverging (concave), affecting light focus. Mirrors, concave or convex, influence reflection properties, used in optics for various applications.
Sodium is a highly reactive alkali metal with atomic number 11. It’s silver-white, soft, and abundant in nature. It reacts vigorously with water, producing sodium hydroxide and hydrogen gas.
Water hardness is a measure of the concentration of calcium and magnesium ions. It affects soap effectiveness and can lead to scale buildup. Hard water is classified as temporary or permanent.
Ferrous sulfate is a chemical compound with the formula FeSOâ‚„, commonly used as a supplement to treat iron deficiency anemia and in various industrial applications, including water treatment and dyeing.
Dunki (transl. Donkey flight) movie is a 2023 Indian Hindi-language comedy drama film based on the illegal immigration technique. In Dunki movie Shah Rukh Khan plays as Hardayal “Hardy” Singh Dhillon.
CBSE Science Class 10 Sample Question Paper 2023-2024 free download with answers
2024 CBSE Science Class 10 Sample Question Paper pdf
CBSE Science Class 10 Sample Question Paper 2023-2024 pdf free download with solutions
CBSE NCERT Science Class 10 Sample Question Paper 2023-2024