Question 10. Get Revision Notes of Class 7th Science Chapter 15 Light to score good marks in your Exams. Question 6. Extra questions for Class 7 Science will build strong foundation for Class 7 science and higher clases. Explain with the help of an activity that when seven colours are mixed together, then white colour is formed. (c) is formed only by a plane mirror Question 4. A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. 2. 6. thicker, thinner NCERT Solutions for Class 7 Science Chapter 15 Light in English Medium or अध्याय 15 प्रकाश in Hindi Medium free to download in PDF file format or View online free updated for new academic session 2020-2021. (c) Mention the values shown by Priyanka here towards her family. In the year 1665, Newton discovered by his experiments with glass prisms that white light (like sunlight) consists of a mixture of lights of seven colours. Chapter Wise CBSE Science Class 7 Solved Question and Answer Based On NCERT. Question 9. Answer: Question 23. The path of light gets blocked when an object covers the source of light. 6. Sorry!, This page is not available for now to bookmark. 1. Question 3. Explain why concave mirror is known as a converging mirror. Question 17. Answer: Lightning and Earthquake. So, when it is brought very close to the concave mirror, then an erect and enlarged image is formed. Solving the Light Multiple Choice Questions of Class 7 Science Chapter 15 MCQ can be of extreme help as you will be aware of all the concepts. (b) concave lens provided the image is smaller than object Is it possible to obtain the image on the screen when the candle is too closed to the concave mirror? Question 10. 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. What is the nature of lenses A and B ? Consider if one half of a convex lens is covered with a black paper, then state whether this lens produces a complete image of the object. (b) The distance between object and mirror is given by 0.5 + 0.5= 1 m. Question 5. Q3: What is image of an object? Briefly mention whether mirror change the direction of light. There are ………………….. types of spherical mirrors. Science (www.olympiadsuccess.com) Chapter 15: Light Class: VII . (a) Since, red colour has the greatest wavelength, that’s why, it is deviated the least in the spectrum of white light. Answer: Now, rotate the disc quickly in day light. Answer: (c) concave mirror or concave lens Such an image could be formed by [NCERT Exemplar] [NCERT Exemplar] Multiple Choice Questions . Since, in first case light rays are converging towards a point, so the lens A will be convex and in case of lens 8, light rays diverge or spread out. Answer: [NCERT Exemplar] But if plane mirror is used, we are not able to see large area of traffic which may be difficult for driving vehicle and can cause accident. Answer: No, we cannot get a real image for any position of an object from the mirror because convex mirror always forms virtual, erect and diminished image in spite of the position of object. 8. Here is a detailed discussion on each topic. Name the phenomenon that is involved in the formation of image of an object by a convex lens. All the sudden, he held the scale in his hand and started moving in front of tubelight, then he observed the seven colours of white light. NCERT Solutions for Class 7 Science CBSE, 15 Light. 10. [Value Based Question] Answer: Become our. Question 6. (b) both concave mirror and convex mirror MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. Education Franchise × Contact Us. [NCERT Exemplar; HOTS] Answer: Answers: A virtual image is larger than the object can be produced by a convex mirror. (c) both concave mirror and convex lens 8. concave The side mirror of a scooter got broken. [HOTS] Question 3. 10. Register Online for NCERT Solutions Class 7 Science tuition on Vedantu.com to score more marks in CBSE board examination. Answer: Image formed by a convex _____ is always virtual and smaller in size. Answer: Concave mirror In case of concave mirror, image may be real, virtual and magnified or diminished. False, an enlarged image is always larger than the object and is always formed by a concave mirror. VIBGYOR). 3. These MCQ Questions on Light Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. (a)-(vi) Answer: Yes, when a ray of light is incident on the mirror surface, then the mirror changes the direction of light. Fix the disc quickly in day light will he be able to observe band... 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