Q30
3 marksShort AnswerSection C

(A) Define the following terms in the context of a diverging mirror:

(i) Principal focus

(ii) Focal length

Draw a labelled ray diagram to illustrate your answer.

OR

(B) An object of height 10cm10 cm is placed 25cm25 cm away from the optical centre of a converging lens of focal length 15cm15 cm. Calculate the image-distance and height of the image formed.

The Human Eye and the Colourful World
Human Eye and Colourful World
Official Answer

The power of accommodation of the eye is the ability of the eye to see objects clearly at a distance of 25 cm. The near point of the eye is the minimum distance at which an object can be seen clearly without strain. The far point of the eye is the maximum distance at which an object can be seen clearly.

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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.