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प्रश्न
Draw a ray diagram to show how Hypermetropia is defect can be corrected using a lens.
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उत्तर
Corrected vision for a hypermetropic eye by using a convex lens:
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संबंधित प्रश्न
Explain two possible reasons of myopia. How can it be corrected? Explain with a suitable diagram.
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.
Name the defect of vision which makes the eye-lens cloudy resulting in blurred vision.
A person can read a book clearly only if he holds it at an arm's length from him. Name the defect of vision:
if the person is an old man
Explain the Term: Hypermetropia
Explain the Term: Cataract
Complete the following sentence with appropriate word :
An inability to focus on nearby objects due to loss of elasticity of the lens with age is called Iris.
Due to elongation of _______ and increase in curvature of the eye lens, a person cannot see distant objects clearly.
Myopia may arise due to ____________.
