MCQ
Nuclear fusion occur in.
- ✓Atom bomb
- BHydrogen bomb
- CNeutron bomb
- DNone of these
The fission bomb or atom bomb works on the principle that it takes energy to put together a nucleus with many protons and neutrons.
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A charge particle of $3 \pi$ coulomb is passing through the point $P$ with velocity
$\overrightarrow{ v }=(2 \hat{ i }+3 \hat{ j }) \,m / s$; where $\hat{i}$ and $\hat{j} \quad$ represents unit vector along $x$ and $y$ axis respectively.
The force acting on the charge particle is $4 \pi \times 10^{-5}(-x \hat{i}+2 \hat{j}) \,N$. The value of $x$ is
