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Suppose we wish to obtain the real image of a distant tree. Explain two possible ways in which we can do it.
 
The two possible ways in which we can obtain the real image of a distant tree are by using
 
(i) A  and a screen:
 
A real image is formed if the distance between the mirror and the object is in a .

(ii) A  and a screen:
 
When the object is far away from the , the image is the lens forming a real and inverted image.