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प्रश्न
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उत्तर
Difference between a ray of light and a beam of light.
| Rav of light | Beam of light |
| 1. Ray of light is the path along which the light travels | Many rays of light form a beam of light |
| 2. A ray of light can be emitted from any source in any direction | A beam of light can be emitted from a Laser source |
| 3. A ray of light contains only one photon | A beam of light contains multiple photons |
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संबंधित प्रश्न
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
What do you understand by the Diffused Light?
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.
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.
The reflection of a ray of light (OA) normally incident on a plane mirror is shown below
What are the angles of incidence and reflection?
What is reflection of light?
What happens when light hits a transparent object?
Part of the eye which controls the light entering is called
Total internal reflection will occur if the angle of reflection is ______.
The angle of incidence is equal to the angle of reflection for perfect reflection.
