Advertisements
Advertisements
प्रश्न
What changes the shape of lens in the eye?
उत्तर
The ciliary muscles change the shape of the eye lens and thereby adjust its focal length to enable us to see objects that are near or far away.
APPEARS IN
संबंधित प्रश्न
The size of the pupil of the eye is adjusted by:
(a) cornea
(b) ciliary muscles
(c) optic nerve
(d) iris
What shape are your eye-lenses:
when you look at a distant tree?
Differentiate between members of the following pair with reference to what is asked in bracket.
Rod and cone cells (pigment contained)
Choose the correct answer.
Colour is detected by ____________
Differentiate between:
Yellow spot and Blind spot.
Draw a diagram of the human eye as seen in a vertical section and label the parts which suit the following descriptions relating to the:
(i) photosensitive layer of the eye.
(ii) structure which is responsible for holding the eye lens in its position.
(iii) structure which maintains the shape of the eyeball and the area of no vision.
(iv) anterior chamber seen in front of the eye lens.
(v) outermost transparent layer seen in front of the eyeball.
Choose the Odd One Out:
Choose the Odd One Out:
The image of the object in the human eye is formed on the cross screen.
The black opening between the aqueous humour and the lens is called ____________.
