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प्रश्न
Name the following:
The photoreceptors found in the retina of the eye.
उत्तर
Rods and cones
संबंधित प्रश्न
Distinguish between: aqueous humor and vitreous humor
Draw a labelled sketch of the human eye.
Name two parts of the eye which refract light rays (or bend light rays).
What is the:
far point of a normal human eye?
The term " accommodation" as applied to the eye, refers to its ability to:
(a) control the light intensity falling on the retina
(b) erect the inverted image formed on the retina
(c) vary the focal length of the lens
(d) vary the distance between the lens and retina
Which of the following changes occur when you walk out of bright sunshine into a poorly lit room?
(a) the pupil becomes larger
(b) the lens becomes thicker
(c) the ciliary muscle relaxes
(d) the pupil becomes smaller
Why does the eye-lens not have to do all the work of converging incoming light rays?
Mention if the following statement is true (T) or false (F) Give reason.
Short-sightedness and hyperopia are one and the same thing
State the main functions of the following:
Coronary Artery
Choose the correct answer.
Colour is detected by ____________
What happens to the image distance in the normal human eye when we decrease the distance of an object, say 10 m to 1 m? Justify your answer.
Explain the Term: Accommodation in the eye
Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances
A small hole of changing diameter at the centre of Iris is called _______.
Write an Explanation.
Power of accommodation
Draw the struture of human eye and label its parts.
Assertion: Blind spot is a small area of the retina which is insensitive to light where the optic nerve leaves the eye.
Reason: There are no rods or cones present at the junction of the optic nerve and retina in the eye.
Which one of the following statements is NOT correct?
Name the following:
The circular opening enclosed by iris.
