NCERT Solutions for Class 6 Science Chapter 11
NCERT Solutions for Class 6 Science Chapter 11:
NCERT Solutions for Class 6 Science Chapter 11, Light, Shadows, and Reflections, available here, will help you understand the concepts and topics covered in this CBSE Class 6 Syllabus. The detailed answers and explanations on this page will clarify any doubts you may have about light concepts.
These solutions are essential as Chapter 11 carries a significant weightage in marks for Class 6 exams each year. Light is a fundamental concept connected to various advanced topics, making it crucial for students to grasp this chapter's solutions.
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NCERT Solutions for Class 6 Science Chapter 11 Overview
NCERT Solutions
for Class 6 Science Chapter 11 Light, Shadow & Reflection is now accessible. It includes clear explanations, images, questions, and answers. The material is presented in a way that mimics private tutoring. After each chapter, there are sets of questions for students to reinforce their learning and strengthen their revision.
If you're a Class 6 student using NCERT Science textbooks, Vedantu's provided solutions can be a valuable aid, making study simpler and more interesting. Additionally, you can download NCERT Solutions for Class 6 Maths to revise the entire syllabus and improve your exam scores.
NCERT Solutions for Class 6 Science Chapter 11 PDF Download
Chapter 11 of NCERT Solutions for Class 6 Science explores opacity, transparent objects, translucent objects, shadow formation, reflection concepts, pinhole camera creation, and the uses of mirrors. NCERT Solutions is an excellent resource to enhance students' skills and knowledge, covering relevant study topics for better exam performance. This chapter is particularly important for examinations.
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NCERT Solutions for Class 6 Science Chapter 11 Light, Shadow and Reflection
Every learner desires special and improved help from reference books, and this is where NCERT Solutions for Class 6 Science Chapter 11 come into play. When it comes to the Light, Shadow & Reflection chapter, the teachings are presented accurately by subject experts and seasoned educators from the field.
1. Rearrange the boxes given below to make a sentence that helps us understand opaque objects.
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OWS
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OPAQ
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UE O
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BJECT
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TSM
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SHAD
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Ans:
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OPAQ
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UE O
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BJEC
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T S M
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AKE
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SHAD
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OWS
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2. Classify the objects or materials given below as opaque, transparent, or translucent and luminous or non-luminous:
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Opaque:
A rock, aluminum sheet, mirror, wooden board, CD, umbrella, wall, carbon paper, cardboard.
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Transparent:
Air, water, plane glass.
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Translucent:
Polythene sheet, smoke, fog, cellophane sheet, wire mesh.
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Luminous:
Red hot iron, fluorescent tube, gas burner flame, torch, sun, firefly, kerosene stove.
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Non-luminous:
Rock, aluminum sheet, mirror, wooden board, CD, air, water, plane glass, smoke, fog, umbrella, wall, carbon paper, cardboard, cellophane sheet, wire mesh, moon.
3. Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?
Yes, you can achieve this by holding an object shaped like a cylinder. When the cylinder stands on one end, it casts a circular shadow, and when it lies flat, it casts a rectangular shadow.
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4. In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?
No, in a dark room, you won't see a reflection in the mirror because there is no light for the mirror to reflect an image.
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Class 6 Science Chapter 11 Very Short Answer Type Questions
1. Whether the moon is a luminous or non-luminous body?
The moon is a non-luminous body because it doesn't produce its own light; it reflects sunlight.
2. What is umbra?
Umbra is the dark region behind an object facing light, which receives no light at all.
3. How does a light ray travel?
A light ray travels in a straight line.
4. Give one natural source of light.
The sun is a natural source of light.
5. What is shadow?
A shadow is the dark space behind an opaque object where light does not reach.
6. What is penumbra?
Penumbra is the less dark shadow formed on the periphery of the dark shadow behind an object.
NCERT Solutions for Class 6 Science Chapter 3
Class 6 Science Chapter 11 Short Answer Type Questions
1. State the difference between a luminous and a non-luminous body.
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Luminous bodies emit light, like the sun. Non-luminous bodies, like the moon, do not emit light.
2. Why is the moon not considered a luminous body?
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The moon is not considered a luminous body because it shines by reflecting sunlight.
3. What is an incandescent body? Give an example.
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Incandescent bodies emit light when heated to a very high temperature. An example is an electric bulb.
4. When does a shadow form?
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A shadow forms when light does not reach behind an opaque object placed in the path of light.
5. What are the essential conditions for the formation of a shadow?
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Essential conditions for shadow formation are an opaque material, a source of light, and a screen.
6. Define the reflection of light.
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Reflection of light is when light rays, after striking a smooth and shiny surface, return to the same medium.
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7. Write the difference between shadow and image.
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A shadow is a dark outline formed by an opaque object blocking light, while an image is a reproduction of an object formed by reflected or refracted light.
8. How will you convert a glass sheet into a translucent sheet?
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You can convert a glass sheet into a translucent sheet by smearing a thin layer of oil or covering one side with butter paper.
9. What is shadow? How does the color of an opaque object affect the color of the shadow?
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A shadow is a dark outline formed by an opaque object. The color of an opaque object does not affect the color of the shadow.
10. Write the differences between umbra and penumbra.
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Umbra is the darkest part of a shadow, while penumbra is the less dark region on the shadow's periphery.
11. What do we need to see a shadow?
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To see a shadow, we need a source of light, a screen, and an opaque object.
12. What do you mean by scattering of light?
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Scattering of light occurs when a beam of light falls on a rough surface and is turned back in different directions.
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NCERT Class 6 Science Chapter 11 Light, Shadow & Reflection Topic-Wise Discussion
Light plays a crucial role in helping us see different objects in our surroundings. It is a type of energy. When an object is exposed to light, some of the brightness is bounced back. This reflection is what enables us to observe things around us. The reason we can't see things in darkness is not due to a lack of light, but rather because there is no reflection happening. NCERT solutions for Class 6 Science Chapter 11 provide a comprehensive understanding of the concepts related to light, shadow, and reflection.
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Sources of Light
Sources of light can be categorized into two types:
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Luminous
: This refers to objects that emit light on their own. Examples include the sun and electric bulbs, whether natural or artificial.
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Non-Luminous
: These are objects that do not emit light by themselves but only reflect light, allowing us to see them. Examples include the moon and mirrors.
It's important to note that we can see our reflection in a mirror because it reflects light. If we were to hold a mirror in a dark room, it would be impossible to see objects through it.
For a deeper understanding of luminous and non-luminous examples and definitions, you can refer to the solutions provided in NCERT Science Class 6 Chapter 11.
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Transparent, Translucent and Opaque
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Transparent
: When light can go through something, we call it see-through or transparent. Examples are water and glass.
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Translucent
: If light can go through a thing, but not completely, we call it partially see-through or translucent. Examples are butter paper and frosted glass.
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Opaque
: When light can't go through an object at all, we call it not see-through or opaque. Examples are the Earth and wood.
NCERT Science Book Class 6 Chapter 11 solutions provide a detailed study on the concepts of transparent, translucent and opaque.
Formation of Shadows
If a solid object stops light, it produces a shadow on the opposite side (the darker side). The size of the shadow depends on the distance between the light source and the non-transparent object. The angle of the light is also important. The NCERT Solutions for Class 6 Science Chapter 11 present engaging lessons on shadows. Students in Class 6 can gain extra insights and understanding from the downloadable materials.
Various Sizes of Shadows
When the light source gets nearer to the solid object, the shadow's size tends to increase. Conversely, the size decreases as the light source moves away from the object. The shadow formed by a solid object becomes visible only when it falls on a surface, such as the ground, walls, or any screen-like area. Occasionally, shadows convey useful information about the object. Shadows are consistently black and remain unaffected by the color of the solid object.
Propagation of Light
Light travels in a straight line, known as rectilinear propagation of light. In the NCERT Class 6 Science Chapter 11 solution, this idea is illustrated with two essential terms: Beam of Light and Ray of Light.
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Beam of Light:
A group of rays moving in a specific direction.
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Ray of Light:
The path along which light moves in a particular direction.
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Reflection of Surfaces
It is said that light reflects when it bounces off a surface. The way reflection occurs relies on the kind of surface. When light shines on a bumpy surface, the parallel light beam reflects in various directions, influenced by the angles on the surface. This is called diffused reflection.
If the same thing occurs on a flat surface, the parallel light beam reflects evenly in one direction based on the light angle. This is referred to as an image. An instance is when we see our reflection in a mirror.
Benefits of NCERT Solutions for Class 6 Science Chapter 11
NCERT Solutions for Class 6 Science Chapter 11 focus on understanding the concept of Light, Shadows, and Reflections. These solutions are designed to assist students in comprehending the fundamental principles of science and develop a strong foundation in the subject. Here are some of the key benefits of using NCERT Solutions for Class 6 Science Chapter 11:
1. Accurate and Comprehensive Content:
NCERT Solutions are prepared by experienced educators and subject matter experts. They ensure that the content is accurate, up-to-date, and aligned with the prescribed curriculum. The solutions provide a comprehensive overview of the chapter, covering all the essential topics in a structured manner.
2. Clarity of Concepts:
The solutions are presented in a clear and concise manner, making it easier for students to understand complex concepts related to light, shadows, and reflections. The step-by-step explanations help in building a strong conceptual understanding, laying the groundwork for advanced learning.
3. Easy Accessibility:
NCERT Solutions are widely available and easily accessible. Students can find these solutions in textbooks, online platforms, or official NCERT websites. This accessibility ensures that students, teachers, and parents can access the material effortlessly, promoting self-paced learning.
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4. Practice Questions and Exercises:
The solutions include a variety of practice questions and exercises that are crucial for reinforcing learning. These questions are designed to test the students' understanding of the concepts and provide ample opportunities for practice. Solving these exercises helps students in self-assessment and revision.
5. Exam Preparation:
Since NCERT textbooks are the primary source for many school examinations and competitive exams, mastering the solutions can significantly contribute to exam preparation. The questions in NCERT Solutions often align with the types of questions that students might encounter in their examinations.
6. Application of Knowledge:
The solutions encourage students to apply their knowledge to solve real-life problems related to light, shadows, and reflections. This application-based approach helps in developing critical thinking skills and enhances the ability to relate scientific concepts to everyday experiences.
7. Visual Representation:
Many NCERT Solutions include diagrams, illustrations, and examples that aid visual learners. Visual representation helps in better understanding abstract concepts and makes the learning process more engaging and enjoyable.
8. Language Clarity:
The language used in NCERT Solutions is simple and easy to understand. This is particularly beneficial for students who may not have English as their first language. The clear language ensures that students can grasp the concepts without unnecessary confusion.
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How to Prepare With NCERT Solutions for Class 6 Science Chapter 11?
To prepare for Class 6 Science Chapter 11 using NCERT solutions, you can follow a systematic approach that involves understanding the chapter's concepts, solving exercises, and reviewing the solutions. Here's a detailed guide:
Step 1: Read the Chapter Thoroughly
Start by reading Chapter 11 of your Class 6 Science NCERT textbook. Pay attention to headings, subheadings, and any highlighted information. Understand the main ideas, concepts, and terminologies introduced in the chapter.
Step 2: Take Notes
While reading, make concise notes summarizing key points. Note down important definitions, formulas, and any information that stands out. This will help you review quickly before exams.
Step 3: Solve NCERT Exercise Questions
After reading the chapter, attempt the exercise questions provided at the end. These questions are designed to test your understanding of the concepts covered. Try solving them on your own before referring to the solutions.
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Step 4: Use NCERT Solutions
Once you've attempted the exercise questions, refer to the NCERT solutions for Chapter 11. NCERT solutions provide step-by-step explanations for each question, helping you understand the correct approach to solving them.
Step 5: Analyze Mistakes
If you made any mistakes while solving the exercise questions, carefully analyze them. Understand the reasons behind the errors and make a note of the correct approach. This will enhance your problem-solving skills.
Step 6: Revise Regularly
Review the chapter periodically to reinforce your understanding. Use your notes and NCERT solutions for quick revision. Regular revision is crucial for long-term retention.
Step 7: Seek Clarifications
If you encounter difficulties or have doubts, don't hesitate to seek clarification from your teacher, classmates, or other reliable sources. Understanding the concepts thoroughly is essential for scoring well in exams.
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Step 8: Practice Additional Problems
To further strengthen your understanding, practice additional problems related to the chapter. You can find extra questions in reference books or online resources. This will expose you to a variety of problems and scenarios.
Step 9: Make Use of Visual Aids
For topics that involve diagrams or illustrations, pay special attention to them. Use visual aids to enhance your understanding. Draw diagrams yourself to reinforce your memory.
Step 10: Stay Consistent
Consistency is key to effective preparation. Set aside dedicated study time regularly, rather than cramming all the information at once. This approach will help you retain information for a more extended period.
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