A matchbox containing an unknown object is placed on a thin sheet of g – McqOptions

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1.	A matchbox containing an unknown object is placed on a thin sheet of glass in the experimental set-up shown in the figure. When the bar magnet moves, it is able to drag the match box along. What is most likely to be found in the matchbox?
A.	Marble
B.	Toothpick
C.	Ten-cent coin
D.	Steel ball bearing
Answer» E.

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