Human Eye and Colourful world — Important Questions
Telangana Board · Class 10 · Physical Sciences
43 important questions from Human Eye and Colourful world for Telangana Board Class 10 Physical Sciences, with answers. Written for the board exams 2027.
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Important Questions from Human Eye and Colourful world
Which of the following are parts of the human eye?
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Cornea, Iris, Retina, Ciliary muscles, Optic nerve
All these are important parts of the human eye. Cornea is the transparent front layer, iris controls light entry, retina forms images, ciliary muscles help in accommodation, and optic nerve carries signals to brain.
Myopia is a vision defect where a person cannot see _______ objects clearly.
The power of a lens is the reciprocal of its focal length.
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True
Power of lens P = 1/f, where f is focal length. Power is measured in dioptres when focal length is in metres.
Match the vision defects with their corrections:
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Myopia - Concave lens
Myopia is corrected by concave lens, hypermetropia by convex lens, and presbyopia by bifocal lens which has both concave and convex portions.
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