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प्रश्न
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
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उत्तर
a)
i. At the centre of curvature C
ii. Between C and F
iii. Between the focus F and the Pole P of the mirror.
b) Mention the position and nature of image in each case.
| Position of object | Position of Image | Nature of Image |
| At the centre of curvature C | AtC | Real and Inverted |
| Between C and F | Beyond C | Real and inverted |
| Between F and P | Behind the mirror | Virtual and Erect |
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संबंधित प्रश्न
How do we see objects around us ?
Write true or false of the following statement.
The moon is a natural source of light.
Fill in the blank.
Light travels in a ................. path.
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Fill in the blank
Speed of light in vacuum is .................
Mirrors change the direction of light that fall on them.
When a beam of white light passes through a prism it gets ______.
Match the following.
| 1. | Ratio of height of image to height of object. | Concave mirror |
| 2. | Used in hairpin bends in mountains. | Total internal reflection |
| 3. | Coin inside water appearing slightly raised. | Magnification |
| 4. | Mirage | Convex mirror |
| 5. | Used as Dentist’s mirror. | Refraction |
State whether the following statement is True or False.
An object can be seen only if it emits light
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.
