Class 8 Science
Light
Question 1.
Light is reflected from ___________ surfaces.
(a) solid
(b) liquid
(c) metallic
(d) all
Question 2.
How do you define regular reflection?
Question 3.
What is irregular reflection?
Question 4.
What are the laws of reflection?
Question 5.
How many colours the sunlight can consists of?
Question 6.
Give the main parts of an eye.
Question 7.
Give two great names of visually impaired persons.
Question 8.
What is kaleidoscope?
Question 9.
Give two important factors in which visually impaired persons can depend on for their survival in society.
Question 10.
Describe Braille system.
Question 11.
Lack of vitamin ______ in foodstuff is responsible for many eye troubles.
(a) A
(b) B
(c) C
(d) D
Question 12.
What are the diet components having vitamin A in them?
Question 13.
How should a person can care of his eyes?
Question 14.
What are luminous objects? Give two examples.
Question 15.
What do you understand by lateral inversion?
Question 16.
Define the concept of dispersion.
Question 17.
In our eye, behind the cornea, we find a dark muscular structure called ________.
(a) pupil
(b) retina
(c) iris
(d) lens
Question 18.
What is the blind spot?
Question 19.
The most comfortable distance at which one can read with a normal eye is about __________ cm.
(a) 25
(b) 78
(c) 96
(d) 15
Question 20.
When people are said to have cataract?
**********
In summary, problem-solving after learning a theoretical concept on CBSE Light Class 8 Science is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.
You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.
Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.
All About Daily Practice Problems on Class 8 Science Light NCERT Chapter 16
Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 8 Science Light NCERT Chapter 16 useful.
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