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
Advertisements
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
Write true or false of the following statement.
The moon is a natural source of light.
Fill in the blank.
Moon is a .................. body.
Tick the correct answer.
The natural source of light is
Match the following
| Column A | Column B |
| 1. Transparent object | i. Football |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 5. Non - luminous object | v. Shadows |
Answer the following.
What is meant by luminous intensity? What is one lumen?
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 |
________ objects allow all the light to pass through them.
Sunlight is a blend of______ colors
Amount of light entering into the eye is controlled by ______.
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
