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प्रश्न
What are the three types of materials based on the absorption of light?
उत्तर
- Transparent Material
- Translucent Material
- Opaque Material
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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.
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.
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.
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Reflection by a looking mirror is called ______.
