Class 7 15. Light Chapter Review: NCERT Book Solutions
Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion.
NCERT Solutions
All chapters of ncert books Science 15. Light Chapter Review is solved by exercise and chapterwise for class 7 with questions answers also with chapter review sections which helps the students who preparing for UPSC and other competitive exams and entrance exams.
Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 15. Light - Chapter Review: NCERT Book Solutions for class 7th. All solutions and extra or additional solved questions for 15. Light : Chapter Review Science class 7th:English Medium NCERT Book Solutions. Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion.
15. Light : Chapter Review Science class 7th:English Medium NCERT Book Solutions
Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 15. Light - Chapter Review: NCERT Book Solutions for class 7th. All solutions and extra or additional solved questions for 15. Light : Chapter Review Science class 7th:English Medium NCERT Book Solutions.
Class 7 15. Light Chapter Review: NCERT Book Solutions
NCERT Books Subjects for class 7th Hindi Medium
15. Light
Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion.
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.
Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion.
See other sub-topics of this chapter:
Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion. - 15. Light - Chapter Review: NCERT Book Solutions for class 7th. All solutions and extra or additional solved questions for 15. Light : Chapter Review Science class 7th:English Medium NCERT Book Solutions. Class 7 chapter 15. Light Important key points for quick revision for board exams, ssc and upsc exams preparaion.
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Notes And NCERT Solutions
Our NCERT Solution and CBSE Notes are prepared for Term 1 and Terms 2 exams also Board exam Preparation.
Science Chapter List
1. Nutrition in Plants
2. Nutrition in Animals
3. Fibre to Fabric
4. Heat
5. Acids, Bases and Salts
6. Physical and Chemical Changes
7. Weather, Climate and Adaptations of Animals to Climate
8. Winds, Storms and Cyclones
9. Soil
10. Respiration in Organisms
11. Transportation in Animals and Plants
12. Reproduction in Plants
13. Motion and Time
14. Electric Current and its Effects
15. Light
16. Water : A Precious Resource
17. Forests: Our Lifeline
18. Wastewater Story
