Class 8 Science Light Exam Notes

Read and download free pdf of Class 8 Science Light Exam Notes. Students and teachers of Class 8 Science can get free advanced study material, revision notes, sure shot questions and answers for Class 8 Science prepared as per the latest syllabus and examination guidelines in your school. Standard 8 students should download this study material which will give them more knowledge for all chapters in Science and all important topics which are scoring and can get you more marks. Students should also download free pdf of Chapter wise Notes for Class 8 Science prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this year and also download free worksheets and question papers available here to get higher scores in school exams and tests, also click here for more Study Material for Class 8 Science

Class 8 Science Light Exam Notes. Please refer to the examination notes which you can use for preparing and revising for exams. These notes will help you to revise the concepts quickly and get good marks.

Covers the following topics:

1.Sources of light

2.Medium of light

3.Reflection of light

4.Laws of reflection & nature of image

5.Regular & diffused reflection

6.Characteristics of the image formed by plane mirror

7.Multiple reflection

8.Reflection from spherical mirror

9.Rule of Image formation by spherical mirror

10.Refraction of light

11.Spherical lens

12.Rules of Image formation by spherical lens

13.Total internal reflection

14.Dispersion of white light by a glass prism

15.Human eye

16.Defects of vision, symptoms and remedy (correction)

17.Refraction in nature

18.Scattering of light

Introduction

1.Light is a form of energy, (optical energy) which helps us in seeing objects by its presence.

2.Light is an electromagnetic wave & travels in a straight line with the speed 3 × 108 m/s in vacuum & changes when it travels from one medium to another.

3.The wavelength (λ) of light changes when it goes from one medium to another.

4.The frequency (f) of the light wave remains the same in all media.

5.Light gets reflected back from polished surfaces, such as mirrors, polished metal surfaces, etc.

6.Light undergoes refraction (bending) when it travels from one transparent medium to another.

Source Of Light

The objects which emit (give) light are called luminous objects. It may be natural or man-made. Sun is a natural source of light and electric lamp, and oil lamp, etc. are man-made source of light.          

In the following videos we have explained you about the concept of Light and its properties. Watch this video to understand the concepts and also post your questions and comments in the comments section

Part 1

Part 2

 

Please click on below link to download pdf file for Class 8 Science Light Exam Notes.

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Assessment Framework

The Central Board of Secondary Education (CBSE) today, announced a suggested competency-based assessment framework to strengthen India’s existing school education system for secondary level (classes 6-10) and improve the overall learning outcomes of students across...

CBSE asks schools to load Class 12 Internal Assessment Marks

This has a reference to the letter no CBSE/COORD/2021 dated 11.02.2021 regarding conduct of the School-Based Assessment (Internal Assessment/Practical/ Project) of Class-XII and uploading the marks by 11.06.2021. It has been observed that some schools have not been...

ICSE Board Exams Cancelled

The ICSE (Class X) 2021 Examination: Given the present worsening situation of the Covid- 19 Pandemic in the country, the CISCE has decided to CANCEL the ICSE (Class X) 2021 Examination. The options given in the earlier Circular dated 16th April 2021, now stands...

Time management for CBSE students

The first thing to learn about Time Management is that time is theoretical so you can’t really manage it. What you do when you get into time management, is that you manage yourself. You decide what has to be done, when it must be done and how to do it in the stipulated...

Latest CBSE Syllabus for 2021 2022 PDF Download

Latest Syllabus for Class 12 for 2021 2022 Latest Syllabus for Class 11 for 2021 2022 Latest Syllabus for Class 10 for 2021 2022 Latest Syllabus for Class 9 for 2021 2022 CBSE has issued the latest syllabus for the academic year 2021 2022 which is applicable for all...

×
Studies Today