Advertisements
Advertisements
प्रश्न
A ray of light falls normally on a glass slab. What is the angle of incidence?
Advertisements
उत्तर
When a ray of light falls on a glass slab normally, the angle between normal and incident ray is zero.
∴ Angle of incidence is zero.
APPEARS IN
संबंधित प्रश्न
What is a prism?
Give two characteristics of the virtual image formed by a convex lens.
Distinguish between real and virtual image.
Draw a diagram of a pin hole camera showing the rays of light passing between the Object and its image
The image which can be obtained on a screen is called ______.
Match the following:
| 1. | Real image | a. | Diffuse reflection |
| 2. | Virtual image | b. | An optical device which produces reflection |
| 3. | Mirror | c. | Cannot be taken on screen |
| 4. | A type of light scattering | d. | Can be taken on screen |
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
The image formed by a plane mirror is ______.
If magnification is +1.5. The image is ______.
Distinguish between real & virtual images.
