Advertisements
Advertisements
प्रश्न
Adjusting the focal length of the eye lens to view objects at different distances is done by ______.
पर्याय
Cornea
Iris
Ciliary muscles
Sclera
उत्तर
Adjusting the focal length of the eye lens to view objects at different distances is done by ciliary muscles.
Explanation:
Ciliary muscles both contract and relax to respectively make the eye lens thicker and flattening. This alters the eye lens's focus length and enables variable distance object viewing.
APPEARS IN
संबंधित प्रश्न
Why is a normal eye not able to see clearly the objects placed closer than 25 cm?
The change in focal length of an eye lens is caused by the action of the ______.
Write the name.
The persons which are unable to distinguish between different colours
Write an Explanation.
Persistence of vision
The eyes of the nocturnal birds like owls are having a large cornea and a large pupil. How does it help them?
Near and far points of a young person normal eye respectively are:
The ability of the eye lens to adjust its focal length to form a sharp image of the object at varying distances on the retina is called:
A student sitting on the last bench can read the letters written on the blackboard but is not able to read/the letters written in his textbook. Which of the following statements is correct?
When light rays enter the eye, most of the refraction occurs at the
A piece of red glass is heated till its glows in dark. The colour of flowing glass would be:-
In the blind spot of the human eye ______.
In simple microscope ______ lens is used.
Name the following:
Two types of adaptations.
Define the following term:
Adaptation
Differentiate between members of the following pair with reference to what is asked in the bracket.
Dark and light adaptation (pigments which will be regenerated).