Question 131 markMCQSection A

$The lens system of human eye forms an image on a light sensitive screen, which is called as :$

Chemical Reactions and Equations

Human Eye and the Colourful World

Options

(a)

Cornea

(b)

Ciliary muscles

(c)

Optic nerves

(d)

Retina

Retina

Retina

light sensitive screen

image formation

Hint

$Think of the part of the eye that acts like the film in a traditional camera or the sensor in a digital camera.$

Quick oral answer

$The retina is the light-sensitive innermost layer of the eye where the lens focuses light to form an image.$

1. $Confusing the cornea (the outer transparent layer) with the retina (the inner screen).$
2. $Confusing optic nerves (the transmitters) with the screen itself.$

The human eye acts like a camera. Its lens system forms an image on a light-sensitive screen called the retina. The retina is a delicate membrane containing a vast number of light-sensitive cells (rods and cones) which get activated upon illumination and generate electrical signals. These signals are then sent to the brain via the optic nerves. While the provided text for 'Chemical Reactions and Equations' mentions protecting the eyes during the burning of magnesium ribbon (Activity 1.1), the specific anatomical term for the light-sensitive screen is found in the NCERT chapter on the Human Eye.

$The image formed on the retina is actually inverted and real; our brain processes it to perceive it as upright.$

Q13 of 39 questions

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$This question carries 1 mark in the CBSE Class 10 Science 2024 examination.$

$This question is from the chapter "Chemical Reactions and Equations" in the CBSE Class 10 Science syllabus.$

$This question covers the topic "Human Eye and the Colourful World" from CBSE Class 10 Science.$

$This is a MCQ question from Section A in the CBSE Class 10 Science 2024 paper.$