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5 Days Timetable: The Human Eye and the Colourful World | Science Class 10 PDF Download

The chapter on "The Human Eye and the Colourful World" is a significant part of your Class 10 board exam. Understanding the functioning of the human eye, optical phenomena, and various aspects of light is crucial not only for your exams but also for comprehending the world around you. This chapter comprises six main topics: The Human Eye, Defects of Vision And Their Correction, Refraction of Light Through A Prism, Dispersion of White Light By A Glass Prism, Atmospheric Refraction, and Scattering of Light.5 Days Timetable: The Human Eye and the Colourful World | Science Class 10

In this study plan, we will outline a 5-day strategy to cover these topics effectively, followed by a dedicated day for revision. Feel free to adjust the pace according to your comfort, but maintaining the pattern of covering these topics remains essential.

Topics to Cover


Before diving into the study plan, let's take a look at the topics we will cover in this chapter:

5 Days Timetable: The Human Eye and the Colourful World | Science Class 10

Now, let's break down the study plan for each topic:

Day 1: The Structure and Functions of the Human Eye


What to Cover:

5 Days Timetable: The Human Eye and the Colourful World | Science Class 10

Study Tip: Focus on understanding the basic structure and functioning of the eye, as this is fundamental to the rest of the chapter.

Day 2: Power of Accommodation and Defects of Vision


What to Cover:

5 Days Timetable: The Human Eye and the Colourful World | Science Class 10

Study Tip: Understand how different vision defects occur and how they are corrected using lenses.

Day 3: Refraction of Light Through a Prism and Dispersion


What to Cover:

  • Revise the concepts learned so far.
  • Study the process of light refraction through a prism and the dispersion of light into its component colors from your NCERT textbook.
  • Explore HOTS Questions for challenging problems.
  • Explore the PPT on Light Refraction for visual aids.
  • Solve Practice Questions to test your knowledge.
  • Review the Mindmap for a quick recap.

Study Tip: Focus on how a prism disperses white light and the formation of the spectrum.

Day 4: Atmospheric Refraction and Scattering of Light


What to Cover:

Study Tip: Understand the real-world applications of these phenomena, such as why the sky is blue and why stars twinkle.

Day 5: Revision and Testing 

How to Revise:

Study Tip: Comprehensive testing will help identify areas that need further review.

Revision and Practice

Here are all the important links and topic links for the chapter "The Human Eye and the Colourful World" summarized at the end:

Important Links:

These resources, along with the study plan, will help you excel in the chapter "The Human Eye and the Colourful World" and perform well in your Class 10 board exams.

Best of luck with your Class 10 board exams!!!

The document 5 Days Timetable: The Human Eye and the Colourful World | Science Class 10 is a part of the Class 10 Course Science Class 10.
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FAQs on 5 Days Timetable: The Human Eye and the Colourful World - Science Class 10

1. What are the main parts of the human eye and their functions?
Ans. The main parts of the human eye include the cornea, lens, iris, pupil, retina, and optic nerve. The cornea helps to focus light onto the lens, which further adjusts the light to focus on the retina. The iris controls the size of the pupil, regulating the amount of light that enters the eye. The retina contains photoreceptor cells that convert light into electrical signals, which are then sent to the brain via the optic nerve for visual perception.
2. What is the power of accommodation in the human eye?
Ans. The power of accommodation refers to the ability of the eye to change its focal length to focus on objects at varying distances. This is achieved primarily by the lens, which can become thicker to focus on nearby objects and thinner for distant objects. The ciliary muscles surrounding the lens contract or relax to facilitate this adjustment, allowing for clear vision at different ranges.
3. What are common defects of vision and how can they be corrected?
Ans. Common defects of vision include myopia (nearsightedness), hyperopia (farsightedness), and astigmatism. Myopia can be corrected with concave lenses, which help diverge light rays before they enter the eye. Hyperopia is corrected with convex lenses, which converge light rays. Astigmatism, caused by an irregularly shaped cornea or lens, can be corrected with toric lenses that have different curvature in different orientations.
4. How does refraction occur when light passes through a prism?
Ans. Refraction occurs when light passes through a prism due to a change in the speed of light as it moves from one medium (air) into another (glass). As light enters the prism, it bends towards the normal line due to slowing down; when it exits, it bends away from the normal line. This bending causes the light to spread out into its constituent colors, creating a spectrum.
5. What is atmospheric refraction and how does it affect our perception of objects?
Ans. Atmospheric refraction is the bending of light rays as they pass through different layers of the Earth's atmosphere, which have varying densities. This phenomenon can affect our perception of objects, making them appear higher or lower than their actual position. For example, stars may appear slightly displaced from their true location in the sky, and the sun appears flattened at the horizon during sunrise and sunset due to this bending of light.
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