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प्रश्न
Differentiate between near vision and distant vision (Shape of the eye lens).
Differentiate between the following pair on the basis of what is mentioned within brackets.
Near vision and Distant vision (Shape of the eye lens)
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उत्तर
| Near vision | Distant vision |
| In near vision, the shape of the eye lens is convex. | In distant vision, the shape of the eye lens is thin and less convex. |
संबंधित प्रश्न
Draw labelled diagrams of the following: Ear
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.
Perilymph or endolymph (Which one surrounds the organ of Corti?)
The three parts of human ear contributing in hearing are-
Mention, where in living organism is the following located and state their main function:
Organ of corti
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
Name the following:
The ear ossicle in contact with the oval window of the inner ear.
Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :
In the inner ear, the pressure variations are turned into electrical signals by the ______.
