Which of the following is used for controlling the amount...
Which of the following is used for controlling the amount of light entering the eye?
Cornea
Pupil
Iris
Optic nerve
Ciliary muscle
Correct answer is C
No explanation has been provided for this answer.
The tendency of a body to remain at rest when a force is supplied to it is called ...
Which of the following does Not use magnetic effect of current to function? ...
A thin converging lens has a power of 4.0 diopters determined its focal length. ...