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A body of mass m is placed on earth’s surface which is taken from earth surface to a height of h=3 R, then change in gravitational potential energy is:
25
Aug
A body of mass m is placed on earth’s surface which is taken from earth surface to a height of h=3 R, then change in gravitational potential energy is: A body of mass m is placed on earth's surface which is taken from earth surface to a height of h=3 R then change in gravitational [...]
When a galvanometer is shunted with a 4Ω resistance, the deflection is reduced to one – fifth. If the galvanometer is further shunted with a 2Ω wire, determine current in galvanometer now if initially current in galvanometer is I 0 (given main current remain same).
25
Aug
When a galvanometer is shunted with a 4Ω resistance, the deflection is reduced to one – fifth. If the galvanometer is further shunted with a 2Ω wire, determine current in galvanometer now if initially current in galvanometer is I 0 (given main current remain same). determine current in galvanometer now if initially current in [...]
If the gravitational force between two objects were proportional to R1 (and not as R21) where R is separation between them, then a particle in circular orbit under such a force would have its orbital speed v proportional to
25
Aug
If the gravitational force between two objects were proportional to R1 (and not as R21) where R is separation between them, then a particle in circular orbit under such a force would have its orbital speed v proportional to If the gravitational force between two objects were proportional to R1 (and not as R21) where [...]
Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be
25
Aug
Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be The largest and the shortest distance of the earth from the sun are r1 and [...]
The largest and the shortest distance of the earth from the sun are r1 and r2. Its distance from the sun when it is at perpendicular to the major-axis of the orbit drawn from the sun is:
25
Aug
The largest and the shortest distance of the earth from the sun are r1 and r2. Its distance from the sun when it is at perpendicular to the major-axis of the orbit drawn from the sun is: The largest and the shortest distance of the earth from the sun are r1 and r2. Its distance [...]
The distance of two planets from the sun are 10^13 and 10^12 m, respectively. The ratio of time periods of these two planets is
25
Aug
The distance of two planets from the sun are 10^13 and 10^12 m, respectively. The ratio of time periods of these two planets is respectively. The ratio of time periods of these two planets is The distance of two planets from the sun are 10^13 and 10^12 m August 25, 2020 Category: Chapter 12 - [...]
Satellite A of mass ‘m’ is at a distance of ‘r’ from the surface of the earth. Another satellite B of mass ‘2m’ is at a distance of ‘2r’ from the earth’s center. Their time periods are in the ratio of:
25
Aug
Satellite A of mass ‘m’ is at a distance of ‘r’ from the surface of the earth. Another satellite B of mass ‘2m’ is at a distance of ‘2r’ from the earth’s center. Their time periods are in the ratio of: For a satellite escape velocity is 11 km/s. If the satellite is launched at [...]
The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun?
25
Aug
The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun? The period of revolution of planet A around the sun is 8 times that of B. The distance of A [...]
What will be the formula of the mass in terms of g, R and G ?( R = radius of the earth)
25
Aug
What will be the formula of the mass in terms of g, R and G ?( R = radius of the earth) R and G ?( R = radius of the earth) What will be the formula of the mass in terms of g August 25, 2020 Category: Chapter 12 - Gravitation , NEET Last [...]
For a satellite escape velocity is 11 km/s. If the satellite is launched at an angle of 60 degree with the vertical, then escape velocity will be:
25
Aug
For a satellite escape velocity is 11 km/s. If the satellite is launched at an angle of 60 degree with the vertical, then escape velocity will be: For a satellite escape velocity is 11 km/s. If the satellite is launched at an angle of 60 degree with the vertical then escape velocity will be: August [...]