Advertisements
Advertisements
प्रश्न
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 |
जोड़ियाँ मिलाइएँ
उत्तर
1. | Ratio of height of image to height of object. | Magnification |
2. | Used in hairpin bends in mountains. | Convex mirror |
3. | Coin inside water appearing slightly raised. | Refraction |
4. | Mirage | Total internal reflection |
5. | Used as Dentist’s mirror. | Concave mirror |
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Match the following
(a). A light ray passes from air to glass | (1) . speeds up |
(b). A light ray passes from glass to water | (2). reflects red light |
(c). Virtual image | (3). primary colours |
(d). Red rose | (4). plane mirror |
(e). Red, green, and blue | (5). slows down |
Write true or false of the following statement.
The moon is self-luminous.
Write true or false of the following statement.
Light travels in a straight-line path.
What do we call a substance through which light passes? Give an example of such a substance.
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
A ______ is a natural source of light.
Match the following.
Group A | Group B |
(a) Mirror | (1) Non-luminous |
(b) Firefly | (2) Inverted image |
(c) Pinhole camera | (3) Reflection |
(d) Moon | (4) Luminous |
Mirrors change the direction of light that fall on them.
Light is a form of energy and it travels in a straight line.
Look at the figure given in Fig. 11.8
Will there be any difference in the shadow formed on the screen in A and B.