Advertisements
Advertisements
प्रश्न
What do you understand by candle power?
एका वाक्यात उत्तर
Advertisements
उत्तर
To measure the brightness of light in comparison with the brightness of a candle. The unit of candle power is used.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
Fill in the blank.
Light travels in a ................. path.
Is the moon a luminous object?
Write the names of some transparent objects.
Tick the correct answer
Glass is
Fill in the blank
The brightness of light is measured in ...................
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.
List four natural sources of light.
________ objects allow all the light to pass through them.
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 |
