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Calculate the electrostatic force of attraction between a proton and an electron in a hydrogen atom. The radius of the electron orbit is 0.05 nm and charge on the electron is 1.6 × 10 − 9 C . Open in App
Force of attraction between the plates of a parallel plate capacitor is : q 2 2 ...
(A) The molecules of matter have force of attraction between them. (B) This force binds the molecule together. (C) Force of attraction between the molecules (inter molecular forces) does not varies from one kind of matter to another.
Two particles A and B (both initially at rest) start moving towards each other under a mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2 v, the speed of the centre of mass is
The force of attraction between two bodies is given by: F = G m 1 m 2 r 2. According to the question, the force between the two bodies of mass unit kg and kept at a distance of 1 k m is given by 1 n o t w e n. 1 n o t w e n = G 1 k g × 1 k g (1 k m) 2 = (6.67 × 10 − 11 10 6) (k g 2 m 2) = 6.67 × 10 − 17 n e w t o n
In air the force of attraction between two charges is F a = 1 4 π ϵ 0 q 1 q 2 r 2 In dielectric medium the force of attraction between two charges is F d = 1 4 π K ϵ 0 q 1 q 2 r 2 = F a K Thus, force decreases K-times.
The gravitational force of attraction between two spherical bodies, each of mass $$100\ kg$$, if the distance between their centres is $$100\ m$$, is :
The force of attraction between two charges separated by certain distance in air is F1. If the space between the charges is completely filled with dielectric of constant 4 the force becomes F2. If half of the distance between the charges is filled with same dielectric the force between the charges is F3. Find F1:F2:F3 is: 16 : 9 : 4; 9 : 36 : ...
Plates of area A are arranged as shown. The distance between each two plates is d, the net capacitance between ‘a’ and ‘b’ is:
The force of attraction between the same kind of molecules is called _____ and between different kinds of molecules is called _____. force of cohesion, force of adhesion; force of attraction, force of cohesion; force of adhesion, force of cohesion; force of cohesion, force of attraction
