JEE Main & Advanced
Physics
Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन
Question Bank
Fluid Flow
question_answer
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 given. Identify the combination of air resistances which truly represents the physical situation. (The cross sectional areas are the same). [KCET 2005]
A) 1 < 2 < 3
B) 2 < 3 < 1
C) 3 < 2 < 1
D) 3 < 1 < 2
Correct Answer:
C
Solution :
A stream lined body has less resistance due to air.