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When a body falls in air, the resistanc...

When a body falls in air, the resistance of air depends to a great extent on the shape of the body, 3 different shapes are gives. Identify the combination of air resistances which truly represents the physical situation. (the cross sectional areas are the same).

A

`1 lt 2 lt 3`

B

`2 lt 3 lt 1`

C

`3 lt 2 lt 1`

D

`3 lt 1 lt 2`

Text Solution

Verified by Experts

The correct Answer is:
C

Fig. (3) A stream lined body has less resistance due to air.
Fig. (1) Surface area max `rarr` Resistance is more.
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