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🏝The total number of images formed by two mirrors inclined at 120° to each other is ______. (a) 1 (b) 2 (c) 4 (d) 3 👉Sol.(b) 2 Explanation: The number of images formed when two mirrors are placed at an angle theta to each other is given by: n = ( 360 / theta ) - 1 So, here, we have the mirrors placed perpendicular to each other. So, theta = 90 degree => n = no. of images formed => n = ( 360 /120 ) - 1 => n = 3 - 1 => n = 2

☂️🔺☂️Imp Science One Liners☂️🔺☂️ ════════════♢.✰.♢══════════════ ✅ Which cells acting as phagocytes are present in the liver? Ans: Kupffer cells ✅ Which cell organelles function as the power house of a living cell? Ans: Mitochondria ✅A bite of a mad dog causes – Ans: Hydrophobia ✅Which disease is known as ‘silent killer’? Ans: High Blood pressure ✅ Human saliva contains the enzyme known as . Ans: amylase ✅Which gland disappears during old age? Ans: Thymus ✅The insect responsible for the spread of Kala-azar is – Ans: Sand Fly ✅ is known as the strongest natural fibre. Ans: Silk ✅ Which is known as graveyard of RBC’s ? Ans: Spleen ✅The gland known as master gland in human body is the . Ans: Pituitary gland ✅ The process of cell division is known as – Ans: Mitosis ✅ Which part of the Plant body acts as the carrier of food and other substances to all its parts? Ans: Phloem ✅ Which is the sweetest sugar? Ans: Fructose ✅ The hearing function is associated with which part of the Human Brain? Ans: Temporal Lobe ✅ Which major chemical compound is found in human kidney stones? Ans: Calcium oxalate ✅ Which metal is present in Insulin? Ans: Zinc ✅ Thirst, hunger and sleep are controlled by which part of the brain? Ans: Hypothalamus ✅ Alcohol affects which part of human brain? Ans: Cerebellum ✅Which part of human brain is the regulating centre for swallowing and vomiting? Ans: Medulla Oblongata ✅Which part of the Human Eye changes it size based on the amount of Light? Ans: Pupil #IMPORTANT_FOR_COMING_EXAMS🤞🤞

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