Advertisements
Advertisements
प्रश्न
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
Advertisements
उत्तर
True
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 |
Name a few living things which emit light.
Fill in the blank
There are ........... and man-made ............ of light.
Answer the following.
List two transparent objects.
________ objects allow all the light to pass through them.
Choose the translucent substance from the following
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
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 |
The path of the light is called as ______.
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.
