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How do lenses help us understand the working of certain objects?
Lenses are transparent objects that bend light rays to form images. They help us understand how the human eye sees and how devices like glasses, cameras and microscopes work. By focusing light, lenses create clearer, larger or smaller images, depending on their shape. Studying lenses shows how lightRead more
Lenses are transparent objects that bend light rays to form images. They help us understand how the human eye sees and how devices like glasses, cameras and microscopes work. By focusing light, lenses create clearer, larger or smaller images, depending on their shape. Studying lenses shows how light can be manipulated to improve vision or zoom in on tiny things. It combines physics with practical use and reveals how optical devices solve real-world problems.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhat is the difference between light reflected by a smooth vs. rough surface?
When light hits a smooth surface like a mirror or still water, it reflects evenly, following a consistent angle, which creates clear images. This is known as regular reflection. On a rough surface like paper or cloth, the light reflects in many directions due to the uneven texture. This scattered orRead more
When light hits a smooth surface like a mirror or still water, it reflects evenly, following a consistent angle, which creates clear images. This is known as regular reflection. On a rough surface like paper or cloth, the light reflects in many directions due to the uneven texture. This scattered or diffused reflection prevents the formation of a clear image. This difference helps us understand why mirrors reflect our face clearly while a wall or wooden board does not.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow do corrective glasses work based on the bending of light?
In nearsightedness, the lens spreads the light to move the focus backward. In farsightedness, it bends light to bring focus forward. This correction ensures that light focuses exactly on the retina, producing a sharp image. Understanding how light bends through lenses explains how glasses help milliRead more
In nearsightedness, the lens spreads the light to move the focus backward. In farsightedness, it bends light to bring focus forward. This correction ensures that light focuses exactly on the retina, producing a sharp image. Understanding how light bends through lenses explains how glasses help millions see clearly and how optical science improves vision through precise lens shapes.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow are the phases of the Moon connected to the positions of the Earth, Moon and Sun?
The Moon’s phases are directly linked to its position relative to Earth and the Sun. When the Moon is between Earth and the Sun, we see the dark side—a new moon. As it moves, we see more of its lit part, leading to phases like crescent, half and full moon. The Sun always lights up half the Moon, butRead more
The Moon’s phases are directly linked to its position relative to Earth and the Sun. When the Moon is between Earth and the Sun, we see the dark side—a new moon. As it moves, we see more of its lit part, leading to phases like crescent, half and full moon. The Sun always lights up half the Moon, but what we see changes based on viewing angle. This cycle affects tides, calendars and our night sky appearance.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow did early humans use the Moon’s phases to create calendars?
By watching the Moon’s phases change in a predictable monthly cycle, early humans created the first lunar calendars. Each complete cycle—from new moon to full moon and back—lasts about 29.5 days. These calendars helped early people track months, seasons and time for agriculture, rituals and travel.Read more
By watching the Moon’s phases change in a predictable monthly cycle, early humans created the first lunar calendars. Each complete cycle—from new moon to full moon and back—lasts about 29.5 days. These calendars helped early people track months, seasons and time for agriculture, rituals and travel. The Moon became a natural timekeeper and even today, many traditional calendars and festivals are based on lunar cycles. This shows how observation of nature guided human life and planning.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
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