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संबंधित प्रश्न
What is meant by lateral inversion of an image in a plane mirror ? Explain it with the help of a diagram.
What type of mirror is used to obtain a real image-of an object?
An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave mirror.
Copy the figure and complete it, by drawing two rays to show the formation of the image of the object AB. State the size, position and nature of image formed.
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
______ through which light cannot pass.
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
Match the following:
| 1. | Rubber | a. | Erect |
| 2. | Greased paper | b. | Inverted |
| 3. | Real image | c. | Opaque medium |
| 4. | Virtual image | d. | Translucent medium |
A point source of light S is placed in front of two large mirrors as shown. Which of the following observers will see only one image of S?
