| IMAGE | SHADOW |
| 1. Images are colour full. | 1. Shadows does not have colour. |
| 2. Image is formed due to the reflection or refraction of light. | 2. Shadows are formed when opaque objects obstruct the path of light. |
| 3. Image gives more information such as colour, structure, etc. about the object. | 3. Shadow does not provide any details about the object but it gives an idea about the shape of the object. |
| 4. An image in a plane mirror doesn’t change in size at all; it is always of the same size as that of the object. | 4. Shadow size may be changed depend on light sources position. |
| 5. An image in a mirror can be seen without a screen, whereas it is mandatory to have a screen to form a shadow. | 5. A dark patch formed on a surface behind an opaque object placed in the path of light is called a shadow. |