The part of the human eye that does similar work as the d...
The part of the human eye that does similar work as the diaphragm of a camera lens is the
Ciliary muscles
Pupil
Iris
Retina
Correct answer is C
Iris is similar to diaphragm.
Which scientist discovered natural radioactivity? ...
The diagram above represents an experimental set-up for verifying? ...
The mass of a proton is 1.0089μ and that of a neutron is 1.0089μ. Determine the energy e...
A lead bullet of mass 0.05kg is fired with a velocity of 200ms−1 into a lead block of mass 0....