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15. Light Science class 7 in English Medium ncert book solutions Chapter Review
15. Light Chapter Review – Complete NCERT Book Solutions for Class 7 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 15. Light Chapter Review to help you master concepts and score higher.
15. Light Science class 7 in English Medium ncert book solutions Chapter Review
NCERT Solutions for Class 7 Science play an important role in helping students understand the concepts of the chapter 15. Light clearly. This chapter includes the topic Chapter Review, which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 7 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 15. Light is explained in a structured way, making it easier for students to connect the theory with the topic Chapter Review. By studying these updated NCERT Solutions for Class 7 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
15. Light
Chapter Review
Chapter Review:
- Light travels along straight lines.
- Mirror changes the direction of light This change of direction by a
mirror is called reflection of light. - In an image formed by a mirror, the left side of the object is seen on the right side in the image, and right side of the object appears to be on the left side in the image.
- If the reflecting surface of a spherical mirror is concave, it is called a concave mirror.
- If the reflecting surface is convex, then it is a convex mirror.
- An image formed on a screen is called a real image.
- The image formed by a plane mirror could not be obtained on a screen. Such an image is called a virtual image.
- Concave mirror form a real image.
- Image formed by a convex mirror is erect, virtual and smaller in size
than the object. - Those lenses which feel thicker in the middle than at the edges are convex lenses.
- Those which feel thinner in the middle than at the edges are concave lenses.
- A concave lens always forms erect, virtual and smaller image than the
object. - When seven colours of rainbow pasting on the disk in their order rotates in daylight it seems white. Such disk is generally known as Newton’s disk.
- White light is composed of seven colours.
See other sub-topics of this chapter:
1. Chapter Review 2. NCERT Exercise 3. Additional Questions 4. Additional Questions