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प्रश्न
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Chalk powder
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उत्तर
Chalk powder → Diffused reflection
Chalk powder spread on a surface is an example of an irregular surface. It is not smooth. Therefore, diffused reflection will take place from chalk powder.
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संबंधित प्रश्न
Differentiate between regular and diffused reflection.
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
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Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Cardboard surface
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Marble floor with water spread over it
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Mirror
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Piece of paper
What is reflection? Write a short note on regular and irregular reflection.
What are the three types of materials based on the absorption of light?
Boojho planned an activity to observe an object A through pipes as shown in the following figure so that he could see objects which he could not directly see.
- How many mirrors should he use to see the objects?
- Indicate the positions of the mirrors in the figure.
- What must be the angle with respect to the incident light at which he should place the mirrors?
- Indicate the direction of rays in the figure.
- If any of the mirrors is removed, will he be able to see the objects?
Imagine that parallel rays are incident on an irregular surface. Are the rays reflected from the surface parallel to each other?
