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प्रश्न
Which defect of vision can be rectified:
by using a concave lens?
उत्तर
Myopia can be rectified by using concave lenses.
APPEARS IN
संबंधित प्रश्न
List three common refractive defects of vision. Suggest the way of correcting these defects.
Name the defect of vision in a person:
whose far point is less than infinity
What is short-sightedness? State the two causes of short-sightedness (or myopia). With the help of ray diagrams, show:
(i) the eye-defect short-sightedness.
(ii) correction of short-sightedness by using a lens.
Given below is a diagram depicting a defect of the human eye. Study the same and answer the question that follow:
Name the defect shown in the diagram.
Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow:
Name the parts labeled 1 to 4.
Draw a neat labeled diagram to show how hypermetropia can be rectified.
Explain the Term: Astigmatism
Choose the Odd One Out:
In Myopia the human eye _______.
Observe the figure and answer the following questions:
- Name the defect of vision represented in the above figure.
- State the reasons for this defect.
- How is it corrected?
- Draw the diagram to show the correction of this defect.
