This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 48 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 48 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. *A convex lens converges ( ..... inward) the light generally falling on it that's why it is called as a converging lens A) Bends. B) Converges. C) Digerges. D) Bends Out. Show Answer Correct Answer: A) Bends. 2. The bouncing of light A) Refraction. B) Reflection. C) Absorption. D) Shadow. Show Answer Correct Answer: B) Reflection. 3. Which travels faster? A) Sound. B) Light. C) Water. D) None of the above. Show Answer Correct Answer: B) Light. 4. Mirrors that curve inwards are called A) Convex. B) Concave. C) All the above. D) None of the above. Show Answer Correct Answer: B) Concave. 5. What makes things visible? A) Light. B) Dim light. C) Torch. D) None of the above. Show Answer Correct Answer: A) Light. 6. Object does not appear smaller when viewed in A) Plane mirror. B) Concave mirror. C) Convex mirror. D) None of the above. Show Answer Correct Answer: A) Plane mirror. 7. Why does an apple appear red? A) All colors are absorbed & none are reflected. B) All colors are absorbed except for blue, which is reflected. C) All colors are reflected and none are absorbed. D) All colors are absorbed except for red, which is reflected. Show Answer Correct Answer: D) All colors are absorbed except for red, which is reflected. 8. Sunlight called white light consits of ..... colours A) 1. B) 5. C) 0. D) 7. Show Answer Correct Answer: D) 7. 9. Can a fire give off light energy? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 10. The shadow of Earth falls on Sun due to which Moon appears dark. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. During a thunderstorm, Sanjay saw lightning and then heard thunder 5 s later. Why does he see the lightning before he hears the thunder? A) He would have seen the lightning and heard the thunder at the same time. B) Sound travels faster than light. C) Light travels faster than sound. D) There is no reason. Show Answer Correct Answer: C) Light travels faster than sound. 12. We are provided with a convex mirror, concave mirror, convex lens and a concave lens. We can get an inverted from? A) Both concave lens and convex lens. B) Both concave mirror as well as convex mirror. C) Both concave mirror as well as convex lens. D) Both convex mirror as well as the concave lens. Show Answer Correct Answer: C) Both concave mirror as well as convex lens. 13. A divergent lens will produceA divergent lens will produce A) Always real image. B) Always virtual image. C) Both real and virtual image. D) None of these. Show Answer Correct Answer: B) Always virtual image. 14. The amount of light entering the eye is regulated by A) Iris and pupil. B) Cornea and retina. C) Iris and sclera. D) None of the above. Show Answer Correct Answer: A) Iris and pupil. 15. Which material is NOT translucent? A) Brick. B) Tissue paper. C) Thin sheet of plastic. D) None of the above. Show Answer Correct Answer: A) Brick. 16. Can be used to send communications, videos, and music short range (local areas) or long range (to space) A) Infrared. B) Radio. C) Microwaves. D) Ultraviolet (UV). E) X-Rays. Show Answer Correct Answer: B) Radio. 17. Solar eclipse occurs when ..... A) Earth;stars;moon comes in a straight line. B) Sun;moon;earth comes in a straight line. C) Neptune;earth;sun comes in a straight line. D) None of the above. Show Answer Correct Answer: B) Sun;moon;earth comes in a straight line. 18. The height of object and image distance are + 6 cm and+ 18 cm respectively, then it's magnification is A) -0.3 cm. B) + 3 cm. C) -3 cm. D) + 0.3 cm. Show Answer Correct Answer: B) + 3 cm. 19. THE ECLIPSES CANNOT BE SEEN ON EVERY NEW MOON DAY AND FULL MOON DAY BECAUSE- A) EARTH IS REVOLVING. B) MOON IS REVOLVING. C) EARTH ALSO ROTATES. D) EARTH, MOON AND SUN SHOULD COME IN STRAIGHT LINE. Show Answer Correct Answer: D) EARTH, MOON AND SUN SHOULD COME IN STRAIGHT LINE. 20. The correct order of colors in a spectrum. A) YellowOrangeBlue RedVioletGreenIndigo. B) VioletIndigoBlueGreen OrangeYellowRed. C) VioletBlueIndigoGreen YellowOrangeRed. D) VioletIndigoBlueGreen YellowOrangeRed. Show Answer Correct Answer: D) VioletIndigoBlueGreen YellowOrangeRed. 21. The colour white ..... A) Absorbs light. B) Is the only colour in the spectrum. C) Reflects light. D) All of the above. Show Answer Correct Answer: C) Reflects light. 22. Which statement is not something that makes an aircraft heavier than air aircraft? A) Powered by a propeller. B) Heat the inside to a high temperature. C) Powered by a jet engine. D) Supported by the flow of the air over the lifting surfaces (wings). Show Answer Correct Answer: B) Heat the inside to a high temperature. 23. The phenomenon due to which a parallel beam of light on striking a smooth and highly polished surface is reflected back as a parallel beam of light is called A) Diffused reflection. B) Regular reflection. C) Irregular reflection. D) Refraction. Show Answer Correct Answer: B) Regular reflection. 24. Why can't we see anything in a dark room? A) Everything is black in colour. B) Our eyes do not work in darkness. C) No light reaches our eyes. D) All the light gets scattered. Show Answer Correct Answer: C) No light reaches our eyes. 25. An image formed on a concave mirror with the object between "Centre of Curvature" and "Focus" is formed ..... than the object. A) Diminished. B) Smaller. C) Bigger. D) Highly Magnified. Show Answer Correct Answer: C) Bigger. ← PreviousNext →Related QuizzesClass 7 Science Chapter 11 Light Quiz 1Class 7 Science Chapter 11 Light Quiz 2Class 7 Science Chapter 11 Light Quiz 3Class 7 Science Chapter 11 Light Quiz 4Class 7 Science Chapter 11 Light Quiz 5Class 7 Science Chapter 11 Light Quiz 6Class 7 Science Chapter 11 Light Quiz 7Class 7 Science Chapter 11 Light Quiz 8Class 7 Science Chapter 11 Light Quiz 9Class 7 Science Chapter 11 Light Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books