MCQ
For effective nuclear forces, the distance should be
- A${10^{ - 10}}m$
- B${10^{ - 13}}m$
- ✓${10^{ - 15}}m$
- D${10^{ - 20}}m$
✓
Answer
Correct option: C.
${10^{ - 15}}m$
c
Nuctear force is powek fully attractive b/w nucleons at a destance of about $1$ $Fenttometre$ ( $\left.1 \times 10^{-15} \,m \right)$
Nuctear force is powek fully attractive b/w nucleons at a destance of about $1$ $Fenttometre$ ( $\left.1 \times 10^{-15} \,m \right)$
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 nucleus of mass number $189$ splits into two nuclei having mass number $125$ and $64$ . The ratio of radius of two daughter nuclei respectively is:
→Product $A$ is
→The energy band gap of semiconducting material to produce violet (wavelength $=4000 \,A^{\circ}$ ) LED is $.......eV$. (Round off to the nearest integer).
→Match List$-I$ with List$-II$
→| List$-I$ | List$-II$ |
| $(a)$ Isothermal | $(i)$ Pressure constant |
| $(b)$ Isochoric | $(ii)$ Temperature constant |
| $(c)$ Adiabatic | $(iii)$ Volume constant |
| $(d)$ Isobaric | $(iv)$ Heat content is constant |
Choose the correct answer from the options given below
The mass density of a nucleus varies with mass number $A$ as
→The capacitance of a parallel plate capacitor is $5\, \mu F$ . When a glass slab of thickness equal to the separation between the plates is introduced between the plates, the potential difference reduces to $1/8$ of the original value. The dielectric constant of glass is
→Find the equivalent resistance between the points $a$ and $b$ .......... $\Omega$
→From a circular disc of radius $R$ and mass $9M$, a small disc of mass $M$ and radius $\frac{R}{3}$ is removed concentrically. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre is
→A block of mass $m$ is having two similar rubber ribbons attached to it as shown in the figure. The force constant of each rubber ribbon is $K$ and surface is frictionless. The block is displaced from mean position by $x\,cm$ and released. At the mean position the ribbons are underformed. Vibration period is
→Two forces of magnitude $3\;N$ and $4\;N $ respectively are acting on a body. Calculate the resultant force if the angle between them is $0^o$
→