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Image Formation by Concave & Convex Mirror Video Lecture | Science Class 10

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FAQs on Image Formation by Concave & Convex Mirror Video Lecture - Science Class 10

1. What is the difference between concave and convex mirrors?
Ans. Concave mirrors are curved inward, like the inside of a spoon, whereas convex mirrors are curved outward, like the back of a spoon. Concave mirrors focus light to a point, while convex mirrors spread out the light.
2. How does a concave mirror form an image?
Ans. A concave mirror forms an image by reflecting light rays. When parallel light rays strike a concave mirror, they converge at a single point called the focal point. This focal point is where the image is formed.
3. Can a convex mirror form a real image?
Ans. No, a convex mirror cannot form a real image. Convex mirrors always produce virtual images, which are formed by the apparent intersection of reflected light rays. These virtual images appear smaller and upright compared to the object.
4. How does the size of the object affect the image formed by a concave mirror?
Ans. The size of the object affects the size of the image formed by a concave mirror. If the object is located beyond the focal point of the mirror, the image will be smaller than the object. If the object is located between the focal point and the mirror, the image will be larger than the object.
5. What is the difference between a real image and a virtual image?
Ans. A real image is formed when the reflected light rays actually converge to a point and can be projected onto a screen. It is always inverted and can be captured on a surface. On the other hand, a virtual image is formed when the reflected light rays only appear to intersect or diverge, and it cannot be projected onto a screen. Virtual images are always upright and cannot be captured on a surface.
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