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प्रश्न
Given below is a diagram depicting a defect of the human eye, study the same and then answer the questions that follow:
(i) Name the defect shown in the diagram.
(ii) What are the two possible that cause this defect?
(iii) Name the type of lens used to correct this defect.
(iv) With the help of a diagram show how the defect shown above is rectified using a suitable lens.
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उत्तर
(i) Myopia
(ii) Two possible reasons are
- Eye ball is lengthened from front to back.
- Lens is too curved.
(iii) Concave lens
(iv)
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संबंधित प्रश्न
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(2) hearing
(3) dynamic balance.
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Name the following:
Part of internal ear related to balance.
Choose the correct answer.
Canal joining middle ear to pharynx ___________
Differentiate between:
The middle ear and Inner ear.
The part of the ear that turns pressure variations into electrical signals is ______.
The eardrum is known as ______.
Define the following term:
Ear ossicles
