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  • Show that the image formed by a convex mirror of an object is always virtual.        

Show that the image formed by a convex mirror of an object is always virtual.

 

 
 
 
 
 

Answers (1)

Since.the ray diagram can be shown as;

we know the mirror formula:-
\frac{1}{f}= \frac{1}{v}+\frac{1}{u}
For a convex mirror, f is positive and u is negative

\\\frac{1}{v}=\frac{1}{f}-\frac{1}{-u}\\\\\Rightarrow v=\frac{fu}{f+u}

So v is positive always, which means the image is always formed behind the mirror. So the image is virtual.

Posted by

Safeer PP

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