MHT-CET

Mechanical Properties of question bank (Physics)

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Q1.

The atmospheric pressure on the surface of the fluid is $P_0$ . The depth $h$ at which pressure is $n$ times the atmospheric pressure is

(A)

$\dfrac{nP_0}{\rho g}$

(B)

$\dfrac{(n+1)P_0}{\rho g}$

(C)

$\dfrac{(n-1)P_0}{\rho g}$

(D)

$\dfrac{n^2 P_0}{\rho g}$

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Q2.

In case of liquid flowing on horizontal surface the flow of liquid becomes unsteady, when Reynolds number $R_n$ is

(A)

less than $499$

(B)

between $500$ to $999$

(C)

between $1000$ to $2000$

(D)

greater than $2001$

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