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प्रश्न
Out of rods and cones m the retina of your eye:
which work in dim light?
उत्तर
Rods work in dim light.
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संबंधित प्रश्न
Define the term.
Power of accommodation of the eye.
Define the term "power of accommodation" of human eye.
How does the eye adjust itself to deal with light of varying intensity?
A student sitting on the last bench in the class cannot read the writing on the blackboard clearly but he can read the book lying on his desk clearly. Which of the following statement is correct about the student?
(a) The near point of his eyes has receded away.
(b) The near point of his eyes has come close to him.
(c) The far point of his eyes has receded away.
(d) The far point of his eyes has come closer to him.
Given below is certain structure. Write against them its functional acivity.
retina and ……………………….
The diagram alongside represents a certain defect of vision of the human eye.
(i) Name the defect.
(ii) Describe briefly the condition in the eye responsible for the defect.
(iii) Redraw the figure by adding a suitable lens correcting the defect. Label the parts through which light-rays pass.
(iv) What special advantage do human beings derive in having both eyes facing forward?
What is meant by power of accommodation of the eye?
State the Function:
Iris
Write an Explanation.
Power of accommodation
The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.
