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What are Real and Virtual Images? Video Lecture | Science Class 7

111 videos|246 docs|28 tests

FAQs on What are Real and Virtual Images? Video Lecture - Science Class 7

1. What is a real image?
Ans. A real image is an image formed when light rays actually converge at a point after passing through a lens or reflecting from a mirror. It can be projected onto a screen and is always inverted.
2. What is a virtual image?
Ans. A virtual image is an image that appears to be formed by the intersection of light rays, but the light rays do not actually converge at the point where the image appears to be. It cannot be projected onto a screen and can be either upright or inverted.
3. How is a real image different from a virtual image?
Ans. A real image is formed by the actual convergence of light rays, whereas a virtual image is formed by the apparent intersection of light rays. A real image can be projected onto a screen and is always inverted, while a virtual image cannot be projected and can be either upright or inverted.
4. What are some examples of real images?
Ans. Examples of real images include the image formed on a movie screen in a theater, the image formed on the retina of our eyes, and the image formed by a camera lens on the film or image sensor.
5. What are some examples of virtual images?
Ans. Examples of virtual images include the image seen in a mirror, the image seen when looking into a spoon, and the image seen through a magnifying glass.
111 videos|246 docs|28 tests
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