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Important Words with Mnemonics: Magnifying Glass | English Poorvi Class 8 - New NCERT PDF Download

Word 1: myriad
Mnemonic: “Countless stars in the sky so high.”
Meaning: A very large number of things.
Sentence: There are myriad flowers in the garden.

Word 2: deft
Mnemonic: “Quick and slick, like a magic trick.”
Meaning: Skillful and clever in movement or action.
Sentence: The deft artist painted a beautiful picture.

Word 3: spinnerets
Mnemonic: “Tiny threads spin like pets.”
Meaning: The part of a spider that makes silk.
Sentence: The spider used its spinnerets to weave a web.

Word 4: stumble
Mnemonic: “Trip and slip on a little tip.”
Meaning: To trip or fall accidentally.
Sentence: The boy stumbled over the stone.

Word 5: marvellous
Mnemonic: “Amazing things make us sing and ring.”
Meaning: Extremely good or wonderful.
Sentence: The magician performed a marvellous trick.

Word 6: claws
Mnemonic: “Sharp hands on animal lands.”
Meaning: The sharp nails of animals like tigers or cats.
Sentence: The cat scratched the tree with its claws.

Word 7: lenses
Mnemonic: “Curved glass shows things en masse.”
Meaning: Glass pieces used to make objects look bigger or clearer.
Sentence: I looked at the ant through the lens.

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FAQs on Important Words with Mnemonics: Magnifying Glass - English Poorvi Class 8 - New NCERT

1. What is a magnifying glass and how does it work?
Ans. A magnifying glass is an optical instrument that enlarges the appearance of objects. It consists of a convex lens, which is thicker in the middle than at the edges. When light rays pass through the lens, they are bent or refracted, causing the object viewed through the lens to appear larger than it actually is. This principle of refraction is what allows the magnifying glass to magnify images.
2. What are some common uses of magnifying glasses in daily life?
Ans. Magnifying glasses are used in various everyday applications. They are commonly used for reading small text, examining fine details in stamps or coins, and assisting with intricate tasks like sewing or crafting. In professional settings, they help scientists and technicians inspect materials or equipment, while in education, they facilitate the study of small specimens in biology or geology.
3. How can mnemonics help in remembering concepts related to magnifying glasses?
Ans. Mnemonics are memory aids that help individuals recall information more easily. For magnifying glasses, one could use a mnemonic like "Larger Objects Magnified" (LOM) to remember that a magnifying glass makes objects appear larger. Creating vivid images or associations related to the function of magnifying glasses can enhance memory retention and understanding of the concept.
4. What historical significance do magnifying glasses hold in the development of science?
Ans. Magnifying glasses have played a crucial role in the advancement of science, particularly in the fields of biology and astronomy. They were among the first tools that allowed scientists to observe details invisible to the naked eye, leading to discoveries in microbiology and the study of celestial bodies. The invention of the magnifying glass in the late 13th century marked a significant milestone in optical science and facilitated further developments in lens technology.
5. How is the concept of magnification relevant in today's technology?
Ans. The concept of magnification is fundamental in various modern technologies, including microscopes and telescopes. These instruments utilize similar principles of optics to magnify images, enabling detailed observation of microorganisms or distant celestial objects. In addition, magnification is also applied in digital devices, such as cameras and smartphones, where zoom functions enhance the viewing experience by allowing users to focus on specific details.
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