1.

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.

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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