MCQ
Two protons exerts a nuclear force on each other, the distance between them is
- ✓$10^{-14}\ m$
- B$10^{-10}\ m$
- C$10^{-12}\ m$
- D$10^{-8}\ m$
✓
Answer
Correct option: A.
$10^{-14}\ m$
$10^{-14}\ m$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A mixer of $100\Omega$ resistance is connected to an $A.C.$ source of $200V$ and $50$ cycles $/\sec$. The value of average potential difference across the mixer will be:
→Cathode rays travelling from east to west enter into region of electric field directed towards north to south in the plane of paper. The deflection of cathode rays is towards
In a coil of area $10 \mathrm{~cm}^2$ and 10 turns with a magnetic field directed perpendicular to the plane and is changing at the rate of $10^8$ gauss/second. The resistance of the coil is 20 ohm. The current in the coil will be
→The $X$-ray beam coming from the $X$-rays tube will be
→To get maximum current in a resistance of $3 \ ohms$, one can use n rows of m cells $($connected in series$)$ connected in parallel. If the total number of cells is $24$ and the internal resistance of a cell is $0.5 \ ohms$ then:
→A wire 2 m long is moving with velocity of $1 m / s$ perpendicular to a magnetic field of $0.5 Wb / m ^2$. The magnitude of induced cmf in it is :
→A proton of mass $m$ and charge $+e$ is moving in a circular orbit in a magnetic field with energy $1\, MeV$. What should be the energy of $\alpha - $particle (mass = $4m$ and charge = $+ 2e),$ so that it can revolve in the path of same radius.......$MeV$
→When light travels from one medium into another it suffers:
The energy contained in a small volume through which an electromagnetic wave is passing oscillates with:
A uniform but time varying magnetic field is present in a circular region of radius $R$ . The magnetic field is perpendicular and into the plane of the loop and the magnitude of field is increasing at a constant rate $\alpha $ . There is a straight conducting rod of length $2R$ placed as shown in figure. The magnitude of induced emf across the rod is
→