Assertion (A): Water is flowing through a horizontal tube, the static pressure and total pressur...

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Assertion (A): Water is flowing through a horizontal tube, the static pressure and total pressure at any point are \( 1.20 \times 10^{5} \mathrm{P} \) and \( 1.28 \times 10^{5} \mathrm{P} \). If the density of water is \( 1000 \mathrm{~kg} / \mathrm{m}^{3} \), the velocity of liquid flow is \( 4 \mathrm{~m} / \mathrm{s} \).
Reason (R): Work done on the liquid by difference in pressure is equal to gain in K.E. of liquid
(A) Both A and R are true and R is the correct explanation of A.br(B) Both A and R are true, but R is not the correct explanation of A.
(C) A is true, but R is false.
(D) A is false, but R is true.
(E) Both A and R are false.
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