MCQ
One brass plate is inserted between two charges. The force between two charges will:
  • A
    Remain the same.
  • Increase.
  • C
    Decrease.
  • D
    Fluctuate.

Answer

Correct option: B.
Increase.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A diode detector is used to detect and amplitude modulated wave of $60 \%$ modulation by using a condenser of capacity $250\, pF$ in parallel with a load resistance $100\, k \Omega$. Find the maximum modulated frequency which could be detected by it,
Out of dia, para and ferromagnetism, the universal property of all substances is:
The mass number of a nucleus is equal to the number of
With what potential an electron should be accelerated so that its de Broglie wavelength becomes equal to the wavelength of first line of lymen series for $He^+$ ion ?
A combination of two thin lenses of the same material with focal lengths ${f_1}$ and ${f_2}$, arranged on a common axis minimizes chromatic aberration, if the distance between them is
An electron jumps from $5^{\text {th }}$ orbit to $4^{\text {th }}$ orbit of hydrogen atom. Taking the Rydberg constant as $10^7$ per metre. What will be the frequency of radiation emitted
A hydrogen like atom of atomic number $Z$ is in an excited state of quantum number $2n$. It can emit a maximum energy photon of $204\, eV$. If it makes a transition to quantum state $n,$ a photon of energy $40.8\, eV$ is emitted. The value of $n$ will be
The possible quantum number for 3 d electron are
The figure shows a graph between ln$\left|\frac{A_n}{A_1}\right|$ and ln|n|, where $A_n$ is the area enclosed by the nth orbit in a hydrogen like atom. The correct curve is
A semi$-$circular arc of radius $'a\ '$ is charged uniformly and the charge per unit lengths is $\lambda$. The electric field at the centre is: