PDF chapter test TRY NOW

A beam of light passing through a diverging lens of focal length \(0.3\) \(m\) appear to be focused at a distance \(0.2\) \(m\) behind the lens. Find the position of the object.
 
a) The position of the image is found by using the formula
 
 
By applying the value of \(f\) and \(u\)
 
The position of the image is  \(cm\) in front of the mirror.
 
The  sign indicates the image is formed in front of the mirror.