Advertisements
Advertisements
Question
Differentiate between Near vision and Distant vision (shape of the eye lens)
Advertisements
Solution
| Near vision | Distant vision |
| In near vision, the shape of the eye lens is convex. | In distant vision, the shape of the eye lens is thin and less convex. |
APPEARS IN
RELATED QUESTIONS
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
Write whether the following is true or false:
Vitreous chamber is present in ear in humans.
Name the following:
The ear ossicle in contact with the oval window of the inner ear.
State the Location:
Semicircular canals
Name the three ossicles of the middle ear.
Long answer question
Draw the neat labelled diagram of the human ear.
In the inner ear, the pressure variations are turned into electrical signals by the ______.
Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ear pinna : Auricle :: Inner ear : ______.
