DEFECT OF VISION & THEIR CORRECTION HUMAN EYE OF COLOURFUL WORLD 11 Class 10th Physics (Practice Sheet) 1 Which part of the eye is responsible for focusing light onto the retina? A. Iris B. Cornea C. Lens D. Optic nerve 2 Myopia is also known as: A. Farsightedness B. Color blindness C. Near-sightedness D. Astigmatism 3 The defect of vision in which distant objects appear blurred is corrected using: A. Concave lens B. Convex lens C. Cylindrical lens D. Plano-convex lens 4 Hypermetropia can be corrected by using: A. Convex lens B. Concave lens C. Cylindrical lens D. Bifocal lens 5 Which of the following statements is true for presbyopia? A. It is a defect of distant vision. B. It is a defect of distant vision. C. It is a defect of distant vision. D. It is a defect of near vision in old age. 6 Which part of our eyes helps us to focus on nearby and distant objects? 7 What type of particles acts like a prism in the formation of a rainbow in the sky? 8 State the function of: (A)Pupil (B) Iris. 9 How can myopia be treated? 10 What are some common defects of human eyes? Page 1 Email: Phone No: Website:
[email protected] +91 93299 65211 www.brisklearning.com Address: Office No. 605, CTS No. 658, Gayatri Bhuvan, A & B, Kandivali, Dattani Park, Thakur Village, Kandivali East, Mumbai, Maharashtra 400101
English