Question

Differentiate between an image and a shadow.
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Answer 1

Answer:

Note: When light is obstructed by an opaque object then shadow is formed while the image is the reflection of light rays by any object. Image contains colour while shadow is always colourless.

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Write a few differences between a shadow and an image.

Image Shadow

5.Image is the optical representation of any object. It is mandatory to have a screen to form a shadow.

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Answer 2

Answer:

1. When an opaque object placed in the path of light, a dark patch formed, which is called a shadow. On the other hand, an image is formed when light is reflected from a mirror (plane or spherical) by refraction in lenses.In mirror, an image can be seen without a screen, but you must have a screen to form a shadow
2. Shadow is formed when the light falls on an opaque object.No light enters the eye from the shadow of the object.
3. Image is formed due to the reflection or refraction.Image is seen when light comes from the object after reflection or refraction enters the observer's eye.

Explanation:

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