Advertisements
Advertisements
प्रश्न
Which of the following statements is correct regarding rods and cones in the human eye?
विकल्प
Cones are sensitive to dim light.
Cones are sensitive to bright light
Rods are sensitive to bright light
Rods can sense colour
उत्तर
Cones are sensitive to bright light
Explanation -
Cones are sensitive to bright light and they sense colour. However, rods are sensitive dim light.
APPEARS IN
संबंधित प्रश्न
Distinguish between: aqueous humor and vitreous humor
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Which lens has a greater focal length?
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
State whether these spectacle lenses will converge light rays or diverge light rays.
Give the scientific names of the following parts of the eye:
a hole in the middle of the iris.
What are the functions of tears?
Name the following:
The type of lens used for correcting myopia.
In a relaxed state, the focal length of healthy eyes is _______.
Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
The coloured portion of the eye is the ______.
The thin, transparent extension of sclerotic layer found in front of the lens is ______.
