Advertisements
Advertisements
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.
Piece of paper
उत्तर
Piece of paper → Diffused reflection
Although a piece of paper may look smooth, but it has many irregularities on its surface. Due to this reason, it will give a diffused reflection.
APPEARS IN
संबंधित 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.
Polished wooden table
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
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
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 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?
Figure shows the word REST written in two ways in front of a mirror. Show how the word would appear in the mirror.
![]() |
![]() |
Imagine that parallel rays are incident on an irregular surface. Are the rays reflected from the surface parallel to each other?