Arihant Physics by D.C Pandey
Assertion : Areal velocity of a planet around sun will becomes two times if mass of planet is halved Reason : Areal velocity =L/2m, Where L is angular momentum of planet about centre of sun.
18
Sep
Assertion : Areal velocity of a planet around sun will becomes two times if mass of planet is halved Reason : Areal velocity =L/2m, Where L is angular momentum of planet about centre of sun. Assertion : Areal velocity of a planet around sun will becomes two times if mass of planet is halved Reason [...]
Assertion : Two spherical shells have masses m1andm2. Their radii are r1andr2. Let r be the distance of a point from centre. Then gravitational field strength and gravitational potential both are equal to zero for O
18
Sep
Assertion : Two spherical shells have masses m1andm2. Their radii are r1andr2. Let r be the distance of a point from centre. Then gravitational field strength and gravitational potential both are equal to zero for O Assertion : Angular momentum of a planet is constant about any point Reason : For acting on the planet [...]
Assertion : Mass of the rod AB is m1 and of particle P is m2. Distance between centre of rod and particle is r. Then the gravitational force between the rod and the particle is F=Gm1m2/r^2 Reason : The relation F=Gm1m2/r^2 can be applied directly only to find force between two particles.
18
Sep
Assertion : Mass of the rod AB is m1 and of particle P is m2. Distance between centre of rod and particle is r. Then the gravitational force between the rod and the particle is F=Gm1m2/r^2 Reason : The relation F=Gm1m2/r^2 can be applied directly only to find force between two particles. Assertion : Angular [...]
Assertion : Kepler’s law for planetary motion are consequence of Newton’s laws Reason : Kepler’s laws can be derived by using Newton’s laws.
18
Sep
Assertion : Kepler’s law for planetary motion are consequence of Newton’s laws Reason : Kepler’s laws can be derived by using Newton’s laws. Assertion : Kepler's law for planetary motion are consequence of Newton's laws Reason : Kepler's laws can be derived by using Newton's laws. September 18, 2020 Category: Arihant Physics by D.C Pandey [...]
Assertion : If the product of surface area and density us is same for two planets, escape velocities will be same for both. Reason : Product of surface area and density is proportional to the mass of the planet per unit radius the planet.
18
Sep
Assertion : If the product of surface area and density us is same for two planets, escape velocities will be same for both. Reason : Product of surface area and density is proportional to the mass of the planet per unit radius the planet. Assertion : If the product of surface area and density us [...]
Assertion : The binding energy of a satellite does not depend upon the mass of the satellite. Reason : Binding energy is the negative value of total energy of satellite.
18
Sep
Assertion : The binding energy of a satellite does not depend upon the mass of the satellite. Reason : Binding energy is the negative value of total energy of satellite. Assertion : The binding energy of a satellite does not depend upon the mass of the satellite. Reason : Binding energy is the negative value [...]
Assertion : Angular momentum of a planet is constant about any point Reason : For acting on the planet is a central force.
18
Sep
Assertion : Angular momentum of a planet is constant about any point Reason : For acting on the planet is a central force. Assertion : Angular momentum of a planet is constant about any point Reason : For acting on the planet is a central force. September 18, 2020 Category: Arihant Physics by D.C Pandey [...]
Assertion : Four point masses each of mass m are placed at points 1, 2, 3 and 6 of a regular hexagon of side a. Then the gravitational field at the centre of hexagon is Gm/a^2 Reason : The field strength due to masses at 3 and 6 are cancelled out.
18
Sep
Assertion : Four point masses each of mass m are placed at points 1, 2, 3 and 6 of a regular hexagon of side a. Then the gravitational field at the centre of hexagon is Gm/a^2 Reason : The field strength due to masses at 3 and 6 are cancelled out. 2 3 and 6 [...]
Assertion : The centre of semicircular ring of mass m and radius R is the origin O. The potential at origin is −Gm/R Reason : The gravitational field strength is towards Y-axis.
18
Sep
Assertion : The centre of semicircular ring of mass m and radius R is the origin O. The potential at origin is −Gm/R Reason : The gravitational field strength is towards Y-axis. Assertion : The centre of semicircular ring of mass m and radius R is the origin O. The potential at origin is −Gm/R [...]
Assertion : Gravitational force between two masses in air is F. If they are immersed in water, force will remain F Reason : Gravitational force does not depend on the medium between the masses.
18
Sep
Assertion : Gravitational force between two masses in air is F. If they are immersed in water, force will remain F Reason : Gravitational force does not depend on the medium between the masses. Assertion : Gravitational force between two masses in air is F. If they are immersed in water force will remain F [...]