Lens Camera

In following questions, select the related letters/word/number/figure from the given alternatives. Camera : Lens :: Flashlight : ?

A student studying the similarities and differences between a camera and the human eye makes the following observations. (I) Both the eye and the camera have convex lenses. (II) In order to focus, the eye lens expands or contracts while the camera lens moves forward or backward. (III) The camera lens produces upside down real images while the eye lens produces only upright real image. (IV) A screen in camera is equivalent to the retina in the eyes. (V) A camera ajusts the amount of light entering in it by adjusting the apeture of the lens. In the eye the cornea controls the amount of light. The correct statemetns are :

Statement : All Cameras are books Some pens are Cameras. Conclusion: I. All pens are books II. Some books are pens

Compound Microscope|| Telescope|| Camera|| Eye Depth

The human eye is like a camera and hence it contains a system of lens. The eye lens forms