Control the light intensity falling on the retina
Erect the inverted image formed on the retina
Vary the focal length of the lens
Vary the distance between the lens and retina
The lens moves in or out
The retina moves in or out
The lens becomes thicker or thinner
The pupil gets larger or smaller
The near point of his eyes has receded away
The near point of his eyes has come closer to him.
The far point of his eyes has receded away.
The far point of his eyes has come closer to him.
Diffraction of light
Scattering of light
Refraction of light
Reflection of light
Gas molecules present in air
Dust particles present in air
Water droplets suspended in air
Soot particles present in air
The hypermetropic eye, the myopic eye and normal eye
The normal eye, the myopic eye and hypermetropic eye
The normal eye, the hypermetropic eye and myopic eye
The myopic eye, the normal eye and hypermetropic eye
Both 'A' and 'B' are true statements
Both 'A' and 'B' are false statements.
‘A' is true while 'B' is false
‘A' is false while 'B' is true
A and B only
A, B and C
Here's an interesting quiz for you.