Question

Study the following incident.
Swara and Yash were looking in a water filled vessel. They could see their images clearly in the still water. At that instant, Yash threw a stone in the water. Now their images were blurred. Swara could not understand the reason for the blurring of the images.
Explain the reason for blurring of the images to Swara by answering the following question.
i. Is there a relation between the reflection of light and the blurring of the images?
ii. Which types of reflection of light can you notice from this?
iii. Are laws of reflection followed in these types of reflection?

Answer 1

when one distubed still water we no more can visualize uniform reflection and light rays coming from your face to the water surface gets reflected in random directions which our eye can't catch at a time

Answer 2

i. There exists a direct relation between the reflection of light and the blurring of images.

ii. In still water, we can see a perfect reflection and in moving water, we can see a distorted reflection.  

iii. The laws of reflection are followed in this situation.  

Explanation:

• Water is a reflective object and when water is kept very still it almost acts as a mirror.
• The light is reflected from its surface and reaches the eye of the viewer in perfect parallel angles and as a result, clear images can be seen.
• However, when a stone is thrown into the river it creates ripples and the surface of the water moves and the light thrown by the source gets deflected to different angles and a partial image can be caught by the viewer. This instance is of a distorted reflection.

Learn more about reflection:

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