Advertisements
Advertisements
प्रश्न
How do we see objects around us ?
एका वाक्यात उत्तर
Advertisements
उत्तर
Objects are seen when light after striking them, returns in the same medium and reach our eyes.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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.
We can see an object through an opaque medium.
Fill in the blank.
Moon is a .................. body.
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
Is the moon a luminous object?
What do you understand by candle power?
Write true or false
The moon has its own light.
Write true or false
Opaque objects do not allow light to pass through them.
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.
Velocity of light is greater in denser medium than in rarer medium
