The power of a lens is . Find the focal length of this lens. An object is placed at a distance of from the optical centre of this lens. State the nature and magnification of the image formed by the lens and also draw a ray diagram to justify your answer.
The power of a lens is . Find the focal length of this lens. An object is placed at a distance of from the optical centre of this lens. State the nature and magnification of the image formed by the lens and also draw a ray diagram to justify your answer.
Official answer
The focal length of the lens is 25 cm. The image-distance is 50 cm and the height of the image is 20 cm. The nature of the image is real and inverted.
Question details
Q31 of 39 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2023
- Section
- Section C
- Marks
- 3
- Type
- Short Answer
- Chapter
- The Human Eye and the Colourful World
- Topic
- Human Eye and Colourful World
- Bloom's level
- Understanding
- Syllabus topic
- Human Eye and Colourful World
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Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2023?
This question carries 3 marks in the CBSE Class 10 Science 2023 examination.
Which chapter does this question come from in Science?
This question is from the chapter "The Human Eye and the Colourful World" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Human Eye and Colourful World" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2023 paper?
This is a Short Answer question from Section C in the CBSE Class 10 Science 2023 paper.