NCERT Grade 7 Science Chapter 15, Light deals with formation, nature and different phenomena of light. Daily-life examples, images and activities make this chapter fun and interesting to learn.Path of Light is discussed in the first section of the chapter. An activity helps the students to understand that light travels in a straight line.
The second section of the chapter introduces the phenomenon of reflection of light to the students. Working of a mirror, formation of an image, its reference to the object, nature of the image and other technical terms are introduced to the students in this section with the help of figures and activities. Spherical mirrors, their working and applications such as with the dentist or vehicle rear mirror, etc. are explained in a simple and easy to understand manner to the students further in the chapter.Different of types of images formed by spherical mirrors, their nature and importance in experiments associated to light is introduced in the next section of NCERT Grade 7 Science Chapter 15, Light.The chapter concludes with the famous experiment by Newton of dispersion of white light into seven colours. Wonders of the light through sunlight and the disc experiment are explained to the students towards the end of the chapter.
Get 100 percent accurate NCERT Solutions for Class 7 Science Chapter 15 (Light) explained by expert Science teachers. We provide solutions for the questions given in Class 7 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 7 Science. The topics and sub-topics in Chapter 15 Light are given below.
Ex 15.1 - LIGHT TRAVELS ALONG A STRAIGHT LINE
Ex 15.2 - REFLECTION OF LIGHT
Ex 15.3 - RIGHT OR LEFT!
Ex 15.4 - PLAYING WITH SPHERICAL MIRRORS
Ex 15.5 - IMAGES FORMED BY LENSES
Ex 15.6 - SUNLIGHT — WHITE OR COLOURED?.
We cover all questions in the chapter given below:-
Chapter 15 - 13 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Light. Download the free PDF of Chapter 15 Light and take the print out to keep it handy for your exam preparation.