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If the pressure at half of the lake is equal to 1/3 pressure at the bottom of the lake, what is the depth of the take? `("assume" g=10m//s^(2), atm=1xx10^(5) and rho=10^(3)kgm^(-3))`

A

9.6m

B

7.5m

C

40m

D

3.2m

Text Solution

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The correct Answer is:
C
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 23-Paper-1(PHYSICS & CHEMISTRY)
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  3. If the pressure at half of the lake is equal to 1/3 pressure at the bo...

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  4. To get an output 1 from the circuit shown in the figure, the input mus...

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  5. The capacitance of an air filled parallel plate capacitor is 10 muF. T...

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  6. A light wave is incident normally over a slit of width 24xx10^-5cm. Th...

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  7. In an induction coil, the coefficient of mutual induction is 4 H. If a...

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  8. Water is flowing through a pipe of constant cross-section. At some poi...

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  9. In a biprism experiment, the wavelenght of monochromatic light is 6000...

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  10. A wheel having moment of inertia 2 kg m^(2) about its vertical axis, r...

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  11. Two particles of equal mass (m) each move in a circle of radius (r) un...

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  12. A force of 1200 N acts on a 0.5 kg steel ball as a result of collision...

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  13. A block of mass 2 kg rests on a horizontal surface. If a horizontal fo...

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  14. The photoelectric threshold of a certain metal is 3000A. If the radiat...

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  15. If the change in the value of g at a height h above the surface of the...

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  16. The component of vector A=(a(x)hati+a(y)hatka(z)hatk) along the direct...

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  17. lonization energy of an electron present in the second Bohr's orbit of...

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  18. In a seconds pendulum, mass of bob is 30 gm . If it is replaced by 90 ...

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  19. A magnetic field of 2xx10^(-2)T acts at right angles to a coil of area...

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  20. The resultant of two vectors vec(P) and vec(Q) is vec(R ). If the magn...

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