Advertisements
Advertisements
प्रश्न
Write the names of some cold light-emitting objects.
एक पंक्ति में उत्तर
उत्तर
Jugnu, firefly.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
Name two natural sources of light.
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 .................
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 |
Write true or false
Opaque objects do not allow light to pass through them.
Choose the translucent substance from the following
The angle of deviation of light ray in a prism depends on the angle of ______.
The path of the light is called as ______.
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.
