STATEMENT-I: The stream of water flowing at high speed from a garden hose pipe tends to spread like a fountain when held vertically up, but tends to narrow down when held vertically down.
STATEMENT-II : In any steady flow of in compressible fluid, the volume flow rate of the fluid remains constant.

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Statement -1 is True ,statement 2 is True ;statement -2 is NOT a correct expiation for statement 1

Statement -1 is True , Statement -2 is True; Statement 2 is a correct explanation for statement 1

Statement 1 is True , statement -2 is false

Statement 1 is false, statement 2 is True

answer is A.

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Detailed Solution

The volume flow rate (Q) of an in compressible fluid in steady flow remains constant
From equation of continuity ,
Av = constant
$∴ Q =$ a $\times$ v = constant or a $\propto \frac{1}{v}$
Where a is = area of cross section and v = velocity
When stream of water moves up , its speed decreases therefore ‘a’ increases i.e the water spreads out as a fountain.
When stream of water from hose pipe moves down, its speed increases and therefore area of cross section decreases.

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