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Which of the followig objects possess a ...

Which of the followig objects possess a center of symmetry ?
(i) Tree (ii) Six-pointed star
(iii) Five-pointed star (iv) Dumbbell
(v) Nail

A

(ii),(iv)

B

(iv),(v)

C

(i),(ii)

D

(ii),(iii)

Text Solution

Verified by Experts

The correct Answer is:
A
The center of symmetry is invariably a point in the center of an object (or molecule). A line extended form any point (or atom) in the object (or molecule) thorugh the center for the same distance meets a similar point (or atom) in the object (or molecule) at an equal distance form the center. objects with a center of symmetry are (ii) and (iv).
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