1.

Rohan flicked the same coin with equal force on three different surfaces X, Y and Z. The distance travelled by the coin on different surfaces in own stroke is tabulated a shown. X Y Z 4 cm 8 cm 12 cm Now, select the correct option regarding it.

A.  X could be glass and Z could be cardboard.
B.  Y could be cardboard and Z could be polished plane mirror surface.
C.  X could be laminated plastic sheet and Y could be sandpaper.
D.  X could be marble floor and Z could be jute mat.
Answer» C.  X could be laminated plastic sheet and Y could be sandpaper.


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