Chapter 18: Problem 2528
Nucleon is common name for (A) electron and neutron (B) proton and neutron (C) neutron and positron (D) neutron and neutrino
Chapter 18: Problem 2528
Nucleon is common name for (A) electron and neutron (B) proton and neutron (C) neutron and positron (D) neutron and neutrino
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Get started for freeA Free neutron decays into a Proton, an electron and (A) \(\mathrm{v}\) (B) \(\underline{\mathrm{V}}\) (C) \(\beta\) (D) \(\alpha\)
The control rod in a nuclear reactor is made of (A) uranium (B) cadmium (C) plutonium (D) graphite
A radioactive substance decays to \((1 / 16)\) th of its initial activity in 40 days. the half life of the radioactive substance expressed in day is (A) 20 (B) 5 (C) 10 (D) 4
Match column I and II and chose correct Answer form the given below. (a) Nuclear fusion (p) converts some matter into energy (b) Nuclear fission (q) generally Possible for nuclei with low atomic number (c) \(\beta\) decay (r) generally Possible for nuclei with high atomic number (d) Exothermic nuclear (s) Essentially Proceeds by weak reaction nuclear force(c) (A) $\mathrm{a} \rightarrow \mathrm{p}, \mathrm{b} \rightarrow \mathrm{r}, \mathrm{c} \rightarrow \mathrm{s}, \mathrm{d} \rightarrow \mathrm{q}$ (B) $\mathrm{a} \rightarrow \mathrm{q}, \mathrm{b} \rightarrow \mathrm{r}, \mathrm{c} \rightarrow \mathrm{p}, \mathrm{d} \rightarrow \mathrm{s}$ (C) $\mathrm{a} \rightarrow \mathrm{q}, \mathrm{b} \rightarrow \mathrm{r}, \mathrm{c} \rightarrow \mathrm{s}, \mathrm{d} \rightarrow \mathrm{p}$ (D) $\mathrm{a} \rightarrow \mathrm{r}, \mathrm{b} \rightarrow \mathrm{q}, \mathrm{c} \rightarrow \mathrm{p}, \mathrm{d} \rightarrow \mathrm{s}$
The total energy of the electron in the first excited state of hydrogen is \(-3.4 \mathrm{eV}\). what is the kinetic energy of the electron in this state? (A) \(6.8 \mathrm{eV}\) (B) \(3.4 \mathrm{eV}\) (C) \(-3.4 \mathrm{eV}\) \((\mathrm{D})-6.8 \mathrm{eV}\)
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