In certain pinhole camera, the screen is 10cm from the pinhole. When the camera is placed 6 m away from a tree, a sharp image of the tree 16 cm high

      

In certain pinhole camera, the screen is 10cm from the pinhole. When the camera is placed 6 m away from a tree, a sharp image of the tree 16 cm high is formed on the screen. Determine the height of the tree

  

Answers


John
magnification = $\frac{Image distance, v}{Object distance, u}$ = $\frac{Height of image}{Height of object}$


= $\frac{10}{600}$ = $\frac{16}{h}$ = h = 960 cm = 9.6 m
johnmulu answered the question on February 7, 2017 at 06:52


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