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प्रश्न
Name the following:
The area where the image is formed but not seen by our eye is termed as.
उत्तर
Retina
APPEARS IN
संबंधित प्रश्न
Write the function of the following part of the human eye:- iris
A person got his eyes tested by an optician. The prescription for the spectacle lenses to be made reads :
Left eye : +2.50 D
Right eye : +2.00 D
Which lens bends the light rays more strongly?
What kind of lens is present in the human eye?
Give the scientific names of the following parts of the eye:
muscles which change the shape of the eye-lens.
Why does it take some time to see objects in a dim room when you enter the room from bright sunshine outside?
What are rods and cones in the retina of an eye? Why is our night vision relatively poor compared to the night vision of an owl?
Explain why, we cannot see our seats first when we enter a darkened cinema hall from bright light but gradually they become visible.
Nocturnal animals (animals which sleep during the day and come out at night) tend to have wide pupils and lot of rods in their retinas. Suggest reasons for this.
A man driving a car can read a distant road sign clearly but finds difficulty in reading the odometer on the dashboard of the car. Which of the following statement is correct about this man?
(a) The near point of his eyes has receded away.
(b) The near point of his eyes has come closer to him.
(c) The far point of his eyes has receded away.
(d) The far point of his eyes has come closer to him.
Among animals, the predators (like lions) have their eyes facing forward at the front of their heads, whereas the animals of prey (like rabbit) usually have eyes at the sides of their head. Why is this so?
Sometimes you remember a vivid picture of a dream you saw. What is the role of your eyes in this experience?
Choose the correct answer.
Aperture controlling passage to light into the eye is ___________
Sketch and label V.S. of a human eye.
State the Location:
Iris
Write an Explanation.
Power of accommodation
Write the function of the human eye and label parts of the figure given below.
What is ‘white of the eye’?
In human eye the part which allows light to enter into the eye is ______.
Assertion (A): Rods and Cones are photoreceptors in the sclera of eyeball.
Reason (R): Rods are sensitive to dim light.
Write the main functional activity of the following structure.
Choroid
