Question 5: Why does smoke rise faster in a chimney on a windy day? Answer On a windy day the smoke rise faster in the…
Question 4: You can squirt water over a greater distance by placing your thumb over the end of a garden hose than by leaving it…
Question 3: How does the terminal speed of a parachutist before opening a parachute compare to the terminal speed afterwards? Why is there a difference?…
Question 2: Why can squirrel jump from a tree branch to the ground and run away undamaged while a human could break a bone in…
Question 1: From the top of a tall building, you drop two table tennis balls, one filled with air and the other with water. Which…
Conceptual Questions on Fluid Dynamics (new course) See here solved conceptual questions on Fluid Dynamics (Physics) included in the course for grade 11. S.NoDescription of…
Question 14: Describe the working of an engine carburetor and paint spray. ANSWER A carburetor is device that provides the combustion chamber of an engine…
Question 10: An incompressible liquid is passed through a horizontal pipe and it is observed that the speed of mass of liquid when emerges is…
Question 11: When water falls from a tap, its cross-sectional area decreases as it comes down. Explain why? ANSWER When water emerges from the mouth…
Question 12: Why a car has oblong shape? ANSWER When a body moves in a fluid (like air), there is always a resistance to the…