Physics · 2010
NEET 2010 · Prelims · Code A · Q25
Two positive ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the ions, the number of electrons…
Two positive ions, each carrying a charge $\displaystyle q$, are separated by a distance $\displaystyle d$. If $\displaystyle F$ is the force of repulsion between the ions, the number of electrons missing from each ion will be (e being the charge on an electron) :
Official answer
(4)
$\displaystyle \sqrt{\frac{4 \pi \epsilon_{\mathrm{o}} \mathrm{Fd}^2}{e^2}}$
More from Electric Charges and Fields
- A spherical conductor of radius 10 cm has a charge of 3.2 × 10^-7 C distributed uniformly. What is the magnitude of electric field at a point 15 cm…2020
- Two identical charged spheres suspended from a common point by two massless strings of lengths l, are initially at a distance d(d ≪ l) apart because…2016
- An electron falls from rest through a vertical distance h in a uniform and vertically upward directed electric field E. The direction of electric…2018
- Two identical charged conducting spheres A and B have their centres separated by a certain distance. Charge on each sphere is q and the force of…2025
- An electric dipole with dipole moment 5 × 10^-6 Cm is aligned with the direction of a uniform electric field of magnitude 4 × 10^5 N / C. The dipole…2025
- Two point charges A and B, having charges +Q and -Q respectively, are placed at certain distance apart and force acting between them is F. If 25\%…2019
- An electric dipole is placed at an angle of 30° with an electric field intensity 2 × 10^5 N / C. It experiences a torque equal to 4 N m. The charge…2016
- A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre:2019
NEET (UG) 2010 Physics question, with the answer from NTA’s final answer key. Where our answers come from.