MCQ
L, C and R represent physical quantities-inductance, capacitance and resistance respectively. The one which has same dimensions as time is:
- A$\frac{ C }{ L }$
- B$\frac{1}{ RC }$
- ✓$\frac{ L }{ R }$
- D$\frac{ RL }{ C }$
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($A$) Straight bright and dark bands parallel to the $x$-axis
($B$) The region very close to the point $O$ will be dark
($C$) Hyperbolic bright and dark bands with foci symmetrically placed about $\mathrm{O}$ in the $x$-direction
($D$) Semi circular bright and dark bands centered at point $\mathrm{O}$

($A$) $\beta^{-}$-decay ( $\beta$ emission)
($B$) orbital or $K$-electron sasture
($C$) neutron emission
($D$) $\beta^{+}$-decay (positron emission)