JEE Main 2008 Physics question
This question contains Statement −1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements. Statement - I: For a mass kept at the centre of a cube of side ' ', the flux of gravitational field passing through its sides is GM. Statement - II: If the direction of a field due to a point source is radial and its dependence on the distance ' ' for the source is given as , its flux through a closed surface depends only on the strength of the source enclosed by the surface and not on the size or shape of the surface
Solution
For any radial inverse-square field, Gauss's law gives a flux through a closed surface that depends only on the enclosed source (Statement 2 is true). For gravity, $ g· d
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