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प्रश्न
Identify the following kind of beam of light.
उत्तर
A ray of light
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संबंधित प्रश्न
You are standing at a distance of 2 meters from a plane mirror.
What is the distance of your image from the mirror?
State two uses of a plane mirror.
Explain the differences between regular and irregular reflection light.
Differentiate between the reflection of light from a plane mirror and that from a plane sheet of paper.
An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave mirror.
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.
Say TRUE or FALSE
We see planets because they reflect light from the sun
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
______ through which light can pass partially.
The light falling on the mirror is called as ______ and the light reflected is called reflected ray.
