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प्रश्न
What is Hypermetropia (far sightedness)?
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उत्तर
Hypermetropiais a defect of vision in which a person cannot see nearby objects clearly, but has no problems in seeing distant objects.
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संबंधित प्रश्न
The kind of lens required to correct Myopia
A student is unable to see clearly the words written on the black board placed at a distance of approximately 3 m from him. Name the defect of vision the boy is suffering from. State the possible causes of this defect and explain the method of correcting it.
Your friend can read a book perfectly well but cannot read the writing on blackboard unless she sits on the front row in class.
Is she short-sighted or long-sighted?
Name the defect of vision which can be corrected by a converging lens. Show clearly by a ray diagram how the lens corrects the defect.
What is meant by optical illusion? Give one example.
Explain the terms ‘adaptation’ and ‘accommodation’ with reference to the eye.
Select the odd one in the following series:
Endolymph, Tympanic membrane, Semi-circular canal, Blind spot.
Differentiate between:
Short-sightedness and Long-sightedness.
Assertion: Myopia is the defect of vision in which a person cannot see distant objects clearly.
Reason: This due to eye-ball being too short.
Observe the figure whether it is correct or not and explain the phenomenon.
