(b) green Answer: Answer: Lightning and Earthquake. (c) 0.5 m Our notes of Chapter 15 Light are prepared by Maths experts in an easy to remember format, covering all syllabus of CBSE, KVPY, NTSE, Olympiads, NCERT & other Competitive Exams. Which of the following always diverge light rays? (b) The image which cannot be formed on the screen is virtual image. (a)-(vi) Free PDF download of Important Questions with solutions for CBSE Class 8 Science Chapter 16 - Light prepared by expert Science teachers from latest edition of CBSE(NCERT) books. Since, after the actual intersection of rays, the image obtained on the screen is always real image. NCERT Solutions for Class 7 Science. Our notes of Chapter 15 Light are prepared by Maths experts in an easy to remember format, covering all syllabus of CBSE, KVPY, NTSE, Olympiads, NCERT & other Competitive Exams. Question 7. (a) Convex mirror and plane mirror 5. Question 8. [NCERT Examplar] Explain with a reason. The band of seven colours formed on a white screen, when a beam of white light is passed through a glass prism, is known as spectrum of white light. Answer: Light energy is the form of energy which produces the sensation of vision. Question 15. All the solutions of Light - Science explained in detail by experts to help students prepare for their CBSE exams. [NCERT Exemplar; HOTS] NCERT Class 7 Science Chapter 15 Light PDF Topic-Wise Discussion. (b) Name the type of spherical mirror represented by the shining steel spoon. (Value Based Question] What is the nature of this lens? Points To Remember; Very Short Q&A ; Short Q&A ; Long Q&A ; Chapter 2: Nutrition in Animals . (b) which cannot be formed on the screen. As we know that the side mirror of a scooter must be of convex mirror so that we can view a wide range of traffic spread over a large area. (a) only a convex mirror The image formed in a plane mirror is erect, enlarged and virtual. (c) A concave lens Question 9. (c) Mention the values shown by Ramesh here. Now, pW a vertical screen behind the plane mirror (where the image of candle appears to be situated), then we will notice that the image of candle cannot be formed on the screen. Question 4. Concave mirror is known as a converging mirror because it converges a beam of parallel rays of light (reflecting from it) at one point. (a) both concave lens and convex lens Mention the name of lens whioh can converge the sun’s rays to a point and burn a hole in the piece of paper. (c) both concave mirror and convex lens, Question 11. By rotating Newton’s colour disc, we can demonstrate that when seven colours are mixed together, then a white colour is formed. If the distance between object and lens is less than the focus of the lens, then it forms a virtual image and this image cannot be obtained on a screen but formed on the same side of the object. (c) Only convex mirror You are given three mirrors of different types. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.. For a better understanding of this chapter, you should … The inner surface of the reflector of a torch acts as a ………………….. mirror. (a) can be formed on the screen Is the object moving in a direction towards the lens or away from it? This means that the mirrors of Boojho and Paheli are, respectively Yes, in the side mirror of scooters, convex mirror is used to have a wider field of view of the traffic. What are the two natural calamities? Answer: Question 7. In case of convex mirror, it will give a wider field of view, i.e. State the characteristics of images formed by a concave mirror. 1. In the same way, the bottom of candle remains at the bottom in an image. The path of light gets blocked when an object covers the source of light. Question 2. Question 3. You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. Answer: (d) Both convex and concave mirrors Academic Partner. Some Natural Phenomena Class 8 Extra Questions Science Chapter 15 Extra Questions for Class 8 Science Chapter 15 Some Natural Phenomena Some Natural Phenomena Class 8 Extra Questions Very Short Answer Questions Question 1. Answer: 5. When an image is formed by the mirror in such a way that the left side of image is object’s right side and right side of image is object’s left side. Answer: Register online for Science tuition on Vedantu.com to … Name the phenomenon that is involved in the formation of image of an object by a concave mirror. These MCQ Questions on Light Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Convex If you keep on decreasing the distance between the object and the lens, will you still able to obtain the image on the screen? (c) plane mirror and convex mirror, Question 2. 11. There are ………………….. types of spherical mirrors. (d) concave lens or convex lens [Value Based Question] Question 14. (b) cannot be formed on the screen, Question 6. Chapter 15 Science class 7 of NCERT solutions has seven sub-sections. Answer: (d)-(iii) Become our. In this lesson, students will learn about nutrients, mode of nutrition in plants, photosynthesis process, other modes of nutrition in plants, how nutrients are replenished in the soil. A rainbow can be seen in the sky [NCERT Exemplar] Answer: Question 5. Answer: Yes, when a ray of light is incident on the mirror surface, then the mirror changes the direction of light. Free PDF download of Important Questions with solutions for CBSE Class 7 Science Chapter 15 - Light prepared by expert Science teachers from latest edition of CBSE(NCERT) books. Contact us on below numbers. Letters show the dispersion of white light is ( a ) give name! The figure dispersion of white light is always real image tiny prism s disc students Class... 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