This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Light > Class 8 Science Chapter 16 Light – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 16 Light Quiz 1 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The aluminium strips in an electroscope are replaced by plastic strips and a charged body is brought in contact with the metal clip. will the electroscope work? A) Yes. B) No. C) I don't know. D) None of the above. Show Answer Correct Answer: B) No. 2. Lack of ..... in foodstuff is responsible for many eye troubles A) Vitamin C. B) Vitamin B complex. C) Vitamin D. D) Vitamin A. Show Answer Correct Answer: D) Vitamin A. 3. Static electricity is the electricity in which A) Charges are in motion. B) Charges are at rest. C) Both the options. D) None of the above. Show Answer Correct Answer: B) Charges are at rest. 4. In the retina of the eye, the area having no sensory cells is called A) Blind spot. B) Pupil. C) Dark spot. D) Cornea. Show Answer Correct Answer: A) Blind spot. 5. The method of indicating the amount caused by the change in the direction of lighting in relation to the two mediums given A) Relative refraction. B) Refractive index. C) Rhythmic. D) Refraction. Show Answer Correct Answer: B) Refractive index. 6. An image formed by a mirror the left of the object appears on the right and the right appears on the left this is known as ..... A) Lateral inversion. B) Inverted image. C) Virtual image. D) None of the above. Show Answer Correct Answer: A) Lateral inversion. 7. Which of the following cannot be charged easily by friction? A) A plastic scale. B) A copper rod. C) An inflated balloon. D) A woolen cloth. Show Answer Correct Answer: B) A copper rod. 8. The process of transferring of charge from a charged object to the earth is called ..... A) Charging. B) Uncharging. C) Earthing. D) All. Show Answer Correct Answer: C) Earthing. 9. The comfortable distance at which a person can read is about ..... A) 25cm. B) Thorough. C) 25m. D) 35cm. Show Answer Correct Answer: A) 25cm. 10. How many types of charges are gained by rubbing objects? A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: D) 2. 11. Rainbow is a natural phenomena showing A) Refraction. B) Reflection. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reflection. 12. A lightning conductor usually has a rod made of A) Copper. B) Glass. C) Pastic. D) None of the above. Show Answer Correct Answer: A) Copper. 13. During lightening actually ..... takes place A) Electric discharge. B) Electric charging. C) Electric charge accumulation. D) All of the above. Show Answer Correct Answer: A) Electric discharge. 14. Always lie down in an open place in case of lightening. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. During lightening contact with electrical appliances should be avoided A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. During the development of thunderstorm, the charges accumulate near the upper edges of the cloud is- A) Positive. B) Negative. C) Neutral. D) None of these. Show Answer Correct Answer: A) Positive. 17. An electroscope is a device which is used to find if an object is A) Charged. B) Free of cracks. C) Hot. D) Magnetised. Show Answer Correct Answer: A) Charged. 18. Interaction of charges is called ..... A) Electricity. B) Lightning. C) Electrical discharge. D) Earthing. Show Answer Correct Answer: B) Lightning. 19. In old age eyesight becomes foggy when it happens person is said to have ..... A) Myopia. B) Hypermatropia. C) Cataract. D) Short sight. Show Answer Correct Answer: C) Cataract. 20. Name the scientist who showed that lightening and spark from our clothes are essentially the same phenomenon? A) Issac Newton. B) Benjamin Franklin. C) Franklin D. Roosevelt. D) Thomas Alva Edison. Show Answer Correct Answer: B) Benjamin Franklin. Related QuizzesScience QuizzesClass 8 Quizzes 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books