This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 11 Light – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 11 Light Quiz 35 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Shadows are formed when light is A) Reflected. B) Refracted. C) Diffracted. D) Absorbed. Show Answer Correct Answer: D) Absorbed. 2. A medium which partially allows the light energy to pass through it is called A) Transparent medium. B) Translucent medium. C) Opaque medium. D) None of the above. Show Answer Correct Answer: B) Translucent medium. 3. The angle of incident for a ray of light having zero reflection angle is A) 0 degree. B) 30 degree. C) 45 degree. D) 90 degree. Show Answer Correct Answer: A) 0 degree. 4. A virtual image? A) Can be formed on screen. B) Cannot be formed on screen. C) Is formed only on plane mirror. D) Is formed only by the convex mirror. Show Answer Correct Answer: B) Cannot be formed on screen. 5. ROY G BIV stands for ..... A) Red, Orange, Yellow, Green, Blue, Indigo, and Violet. B) Red, Orange, Yellow, Gray, Black, Ivory and Violet Blue. C) Red, Orange, Yankee Blue, Green, Black and Violet. D) Royal Blue, Orange, Yellow, Green, Blue, Indigo and Violet. Show Answer Correct Answer: A) Red, Orange, Yellow, Green, Blue, Indigo, and Violet. 6. On increasing the angle between the two reflecting surfaces, the number of images A) Deceases. B) Increases. C) Does not change. D) None of these. Show Answer Correct Answer: A) Deceases. 7. Which of the following are examples of opaque objects? A) Book. B) Sunlight. C) Glass. D) Butter paper. Show Answer Correct Answer: A) Book. 8. Another name for light bending is ..... A) Reflaction. B) Absorbing. C) Refraction. D) Mirror. Show Answer Correct Answer: C) Refraction. 9. Light bounces when it is A) Reflected. B) Absorbed. C) Refracted. D) None of the above. Show Answer Correct Answer: A) Reflected. 10. An object that allows all the light to pass through it A) Translucent. B) Opaque. C) Transparent. D) None. Show Answer Correct Answer: C) Transparent. 11. Form of energy which makes thing visible. A) Darkness. B) Light. C) Non-luminous object. D) Opaque objects. Show Answer Correct Answer: B) Light. 12. When light cannot pass through an object, we say that that object is ..... A) Opaque. B) Transparent. C) Translucent. D) Translated. Show Answer Correct Answer: A) Opaque. 13. Transparent materials A) Let all light pass through. B) Let no light pass through. C) Let some light pass through. D) None of the above. Show Answer Correct Answer: A) Let all light pass through. 14. The point at which rays parallel to the optical axis is called the A) Reflection point. B) Focal point. C) Refraction point. D) None of the above. Show Answer Correct Answer: B) Focal point. 15. Sun is the Example of A) Non-Luminous Objects. B) Luminous Objects. C) All the above. D) None of the above. Show Answer Correct Answer: B) Luminous Objects. 16. Light can pass through A) Transparent materials. B) Clear material. C) Translucent materials. D) All of the above are correct. Show Answer Correct Answer: D) All of the above are correct. 17. An object that reflects all light that lands on it is called a A) Lens. B) Mirror. C) Glass. D) Non-luminous. Show Answer Correct Answer: B) Mirror. 18. In a Lunar eclipse the shadow of ..... is formed on the Moon A) Earth. B) Sun. C) Mercury. D) Venus. Show Answer Correct Answer: A) Earth. 19. Which of the following quantity remain constant during the reflection of light? A) Amplitude. B) Wavelength. C) Velocity. D) Phase. Show Answer Correct Answer: C) Velocity. 20. Real image cannot be formed on a screen. True or False A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 21. Part of the eye which controls the light entering is called A) (a) Iris. B) B) cornea. C) (c) lens. D) (d) retina. Show Answer Correct Answer: A) (a) Iris. 22. The SI unit of power of a lens is A) Nanometer. B) Dioptre. C) Meter. D) Millimeter. Show Answer Correct Answer: B) Dioptre. 23. Angle of incidence and angle of reflection are ..... to each other. A) Equal. B) Not equal. C) Greater. D) Always different. E) None of these. Show Answer Correct Answer: A) Equal. 24. Radius of curvature of a concave mirror is 60 cm. Find its focal length. A) 20. B) 25. C) 30. D) 15. Show Answer Correct Answer: C) 30. 25. What are translucent objects? A) Objects that cannot let light pass through. B) Objects that can let little light pass through. C) Objects that can let light pass through. D) None of the above. Show Answer Correct Answer: B) Objects that can let little light pass through. ← 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