Volume 1
Two capillaries of same length and radii in the ratio 1: 2 are connected in series. A liquid flows through them in streamlined condition. If the pressure across the two extreme ends of the combination is 1 m of water, the pressure difference across first capillary is
18
Sep
Two capillaries of same length and radii in the ratio 1: 2 are connected in series. A liquid flows through them in streamlined condition. If the pressure across the two extreme ends of the combination is 1 m of water, the pressure difference across first capillary is Upthrust will remain same September 18, 2020 Category: [...]
Two capillary tubes of same length but radii r1 ,r2 are fitted in parallel to a bottom of a vessel. The pressure head is p. What should be the radius of single tube that can replace the two tubes so that the rate of flow is same as before
18
Sep
Two capillary tubes of same length but radii r1 ,r2 are fitted in parallel to a bottom of a vessel. The pressure head is p. What should be the radius of single tube that can replace the two tubes so that the rate of flow is same as before r2 are fitted in parallel to [...]
The terminal velocity v of a small steel ball of radius r falling under gravity through a column of a viscous liquid of coefficient of viscosity η depends on mass of the ball m, acceleration due to gravity g, coefficient of viscosity η and radius r. Which of the following relations is dimensionally correct ?
18
Sep
The terminal velocity v of a small steel ball of radius r falling under gravity through a column of a viscous liquid of coefficient of viscosity η depends on mass of the ball m, acceleration due to gravity g, coefficient of viscosity η and radius r. Which of the following relations is dimensionally correct ? [...]
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acceleration due to gravity g ,
coefficient of viscosity η and radius r. Which of the following relations is dimensionally correct ? ,
The terminal velocity v of a small steel ball of radius r falling under gravity through a column of a viscous liquid of coefficient of viscosity η depends on mass of the ball m ,
The ratio of the terminal velocities of two drops of radii R and R/2 is
18
Sep
The ratio of the terminal velocities of two drops of radii R and R/2 is The ratio of the terminal velocities of two drops of radii R and R/2 is September 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 13 - Fluid Mechanics , Volume 1 ,
If density of earth increased 4 times and its radius become half of what it is, our weight will ?
18
Sep
If density of earth increased 4 times and its radius become half of what it is, our weight will ? If density of earth increased 4 times and its radius become half of what it is our weight will ? September 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - Gravitation , [...]
The diameters of two planets are in the ratio 4 : 1 and their mean densities in the ratio 1 : 2. The acceleration due to gravity on the planets will be in ratio
18
Sep
The diameters of two planets are in the ratio 4 : 1 and their mean densities in the ratio 1 : 2. The acceleration due to gravity on the planets will be in ratio The diameters of two planets are in the ratio 4 : 1 and their mean densities in the ratio 1 : [...]
If the earth suddenly shrinks (without changing mass) to half of its present radius, then acceleration due to gravity will be
18
Sep
If the earth suddenly shrinks (without changing mass) to half of its present radius, then acceleration due to gravity will be If the earth suddenly shrinks (without changing mass) to half of its present radius then acceleration due to gravity will be September 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - [...]
Gravitational force between a point mass m and M separated by a distance is F. Now, if a point mass 2m is placed next to m in contact with it, The force on M due to m and the total force on M are
18
Sep
Gravitational force between a point mass m and M separated by a distance is F. Now, if a point mass 2m is placed next to m in contact with it, The force on M due to m and the total force on M are Gravitational force between a point mass m and M separated by [...]
The rotation of the Earth having radius R about its axis speeds up to a value such that a man at latitude angle 60 degree feels weightlessness. The duration of the day in such a case is.
18
Sep
The rotation of the Earth having radius R about its axis speeds up to a value such that a man at latitude angle 60 degree feels weightlessness. The duration of the day in such a case is. The rotation of the Earth having radius R about its axis speeds up to a value such that [...]
The angular speed of earth in rad/s, so that the object on equator may appear weightless is ( radius of earth =6400 km)
18
Sep
The angular speed of earth in rad/s, so that the object on equator may appear weightless is ( radius of earth =6400 km) so that the object on equator may appear weightless is ( radius of earth =6400 km) The angular speed of earth in rad/s September 18, 2020 Category: Arihant Physics by D.C Pandey [...]