How will you decide whether a given piece of glass in a convex lens, concave lens or plane glass plate?

How will you decide whether a given piece of glass in a convex lens, concave lens or plane glass plate? 1

Convex Lens

How will you decide whether a given piece of glass in a convex lens, concave lens or plane glass plate? 2Magnified the given lens is convex lens.

 

 

 

 

Concave Lens

How will you decide whether a given piece of glass in a convex lens, concave lens or plane glass plate? 3

 

Diminished the given piece is concave lens.

 

 

 

Plane glass plate

 How will you decide whether a given piece of glass in a convex lens, concave lens or plane glass plate? 4        To be of same size then it is a plane glass plate.

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