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                                    In a barber's shop, two plane mirrors are placed : (a) perpendicular to each other (b) parallel to each other (c) at an angle of 60∘ between them (d) at an angle of 45∘ between them. | 
                            
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Answer»  In a barber's shop, two plane mirrors are placed : (a) perpendicular to each other (b) parallel to each other (c) at an angle of 60∘ between them (d) at an angle of 45∘ between them.  | 
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