respectively
A tunnel is dug along a diameter of the earth. If Me and Re are the mass and radius, respectively, of the earth, then the force on a particle of mass m placed in the tunnel at a distance r from the centre is :
13
Sep
A tunnel is dug along a diameter of the earth. If Me and Re are the mass and radius, respectively, of the earth, then the force on a particle of mass m placed in the tunnel at a distance r from the centre is : A tunnel is dug along a diameter of the earth. [...]
Two satellites A and B of masses m1 and m2(m1 = 2m2) are moving in circular orbits of radii r1 and r2(r1 = 4r2), respectively, around the earth. If their periods are TA and TB, then the ratio TA/TB is
13
Sep
Two satellites A and B of masses m1 and m2(m1 = 2m2) are moving in circular orbits of radii r1 and r2(r1 = 4r2), respectively, around the earth. If their periods are TA and TB, then the ratio TA/TB is around the earth. If their periods are TA and TB respectively then the ratio TA/TB [...]
In a cylindrical water tank there are two small holes Q and P on the wall at a depth of h1 from the upper level of water and at a height of h2 from the lower end of the tank, respectively, as shown in the figure. Water coming out from both the holes strike the ground at the same point. The ratio of h1 and h2 is
12
Sep
In a cylindrical water tank there are two small holes Q and P on the wall at a depth of h1 from the upper level of water and at a height of h2 from the lower end of the tank, respectively, as shown in the figure. Water coming out from both the holes strike the [...]
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Cengage JEE Mains Physics by B.M Sharma
,
Chapter 12 - Fluid Mechanics, Surface Tension and Viscosity
,
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as shown in the figure. Water coming out from both the holes strike the ground at the same point. The ratio of h1 and h2 is ,
In a cylindrical water tank there are two small holes Q and P on the wall at a depth of h1 from the upper level of water and at a height of h2 from the lower end of the tank ,
respectively ,
Water flows through a horizontal tube as shown in the figure. If the difference of heights of water column in the vertical tubes is h=0.02m, and the areas of cross section at A and B are 4×10^−4m^2 and 2×10^−4m^2, respectively, then the rate of flow of water across any section is
12
Sep
Water flows through a horizontal tube as shown in the figure. If the difference of heights of water column in the vertical tubes is h=0.02m, and the areas of cross section at A and B are 4×10^−4m^2 and 2×10^−4m^2, respectively, then the rate of flow of water across any section is and the areas of [...]
Three identical vessels A, B and C contain same quantity of liquid. In each vessel balls of different densities but same masses are placed. In vessel A, the ball is partly submerged; in vessel B, the ball is completely submerged but floating and in vessel C, the ball has sunk to the base. If FA, FB and FC are the total forces acting on the base of vessels A, B and C, respectively, then
12
Sep
Three identical vessels A, B and C contain same quantity of liquid. In each vessel balls of different densities but same masses are placed. In vessel A, the ball is partly submerged; in vessel B, the ball is completely submerged but floating and in vessel C, the ball has sunk to the base. If FA, [...]
Posted in:
Cengage JEE Mains Physics by B.M Sharma
,
Chapter 12 - Fluid Mechanics, Surface Tension and Viscosity
,
Tags:
B and C contain same quantity of liquid. In each vessel balls of different densities but same masses are placed. In vessel A ,
b and c`. ,
FB and FC are the total forces acting on the base of vessels A ,
respectively ,
the ball has sunk to the base. If FA ,
the ball is completely submerged but floating and in vessel C ,
the ball is partly submerged; in vessel B ,
then ,
Three identical vessels A ,
Find the Q value of the reaction P+.7Li→.4He+.4He. Determine whether the reaction is exothermic or endothermic. The atomic masses of .1H,.4He and .7Li are 1.007825u,4.002603u, and 7.016004u, respectively.
12
Sep
Find the Q value of the reaction P+.7Li→.4He+.4He. Determine whether the reaction is exothermic or endothermic. The atomic masses of .1H,.4He and .7Li are 1.007825u,4.002603u, and 7.016004u, respectively. .4He and .7Li are 1.007825u 4.002603u and 7.016004u Find the Q value of the reaction P+.7Li→.4He+.4He. Determine whether the reaction is exothermic or endothermic. The atomic masses [...]
2.5 /pie muF capacitor and 3000 ohm resistance are joined in series to an ac source of 200 V and 50 /sec frequency. The power factor of the circuit and the power dissipated in it will be, respectively,
11
Sep
2.5 /pie muF capacitor and 3000 ohm resistance are joined in series to an ac source of 200 V and 50 /sec frequency. The power factor of the circuit and the power dissipated in it will be, respectively, 2.5 /pie muF capacitor and 3000 ohm resistance are joined in series to an ac source of [...]
If A = B + C and the magnitudes of A, B and C are 5, 4 and 3 units, respectively, the angle between A and C is
08
Sep
If A = B + C and the magnitudes of A, B and C are 5, 4 and 3 units, respectively, the angle between A and C is 4 and 3 units B and C are 5 If A = B + C and the magnitudes of A respectively the angle between A and C [...]
Find the speed of light in medium a if speed of light in medium b is c/3, where c = speed of light in vacuum and light refracts from medium a to medium b making 45 and 60, respectively, with the normal.
08
Sep
Find the speed of light in medium a if speed of light in medium b is c/3, where c = speed of light in vacuum and light refracts from medium a to medium b making 45 and 60, respectively, with the normal. Find the speed of light in medium a if speed of light in [...]
A body travels for 15 s starting from rest with a constant acceleration. If it travels distance x, y and z in the first 5 s, second 5 s and the next 5 s, respectively, the relation between x, y and z is
06
Sep
A body travels for 15 s starting from rest with a constant acceleration. If it travels distance x, y and z in the first 5 s, second 5 s and the next 5 s, respectively, the relation between x, y and z is A body travels for 15 s starting from rest with a constant [...]