| A matchbox containing an unknown object is placed on a thin sheet of glass in the experimental set-up shown in the figure. |
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| 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
Correct Answer: D
Solution :
The match box must contain some magnetic material i.e., steel ball bearing.
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