Particle Nature of Electromagnetic Radiation
CHXI02:STRUCTURE OF ATOM

307426 The dimension of Planck’s constant are same as

1 Energy
2 Angular momentum
3 Work
4 Power
CHXI02:STRUCTURE OF ATOM

307427 Ionisation energy of gaseous Na atoms is \({\rm{495}}{\rm{.5}}\,{\rm{kJ}}\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). The lowest possible frequency of light that ionises a sodium atom is \({\rm{(h = 6}}{\rm{.626 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js,}}\,\,{{\rm{N}}_{\rm{A}}}{\rm{ = 6}}{\rm{.022 \times 1}}{{\rm{0}}^{{\rm{23}}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{)}}\)

1 \({\rm{7}}{\rm{.50 \times 1}}{{\rm{0}}^{\rm{4}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
2 \({\rm{4}}{\rm{.76 \times 1}}{{\rm{0}}^{\rm{4}}}\,{{\rm{s}}^{{\rm{ - 1}}}}\)
3 \({\rm{3}}{\rm{.15 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
4 \({\rm{1}}{\rm{.24 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307428 Electromagnetic radiation of wavelength 242 nm is just sufficient to ionize the sodium atom. What is the ionization energy of sodium per atom?

1 \({\rm{494}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 6}}}}{\rm{J/atom}}\)
2 \({\rm{3169}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}{\rm{J/atom}}\)
3 \({\rm{5}}{\rm{.85 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
4 \({\rm{8}}{\rm{.207 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307429 Excited hydrogen atom emits light in the ultraviolet region at \({\rm{2}}{\rm{.47 \times 1}}{{\rm{0}}^{{\rm{15}}}}{\rm{Hz}}{\rm{.}}\) With this frequency, the energy of a single photon is: \({\rm{(h = 6}}{\rm{.63 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js)}}\)

1 \({\rm{8}}{\rm{.041 \times 1}}{{\rm{0}}^{{\rm{ - 40}}}}\;{\rm{J}}\)
2 \({\rm{2}}{\rm{.680 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\;{\rm{J}}\)
3 \({\rm{1}}{\rm{.640 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}\;{\rm{J}}\)
4 \({\rm{6}}{\rm{.111 \times 1}}{{\rm{0}}^{{\rm{ - 17}}}}{\rm{J}}\)
CHXI02:STRUCTURE OF ATOM

307426 The dimension of Planck’s constant are same as

1 Energy
2 Angular momentum
3 Work
4 Power
CHXI02:STRUCTURE OF ATOM

307427 Ionisation energy of gaseous Na atoms is \({\rm{495}}{\rm{.5}}\,{\rm{kJ}}\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). The lowest possible frequency of light that ionises a sodium atom is \({\rm{(h = 6}}{\rm{.626 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js,}}\,\,{{\rm{N}}_{\rm{A}}}{\rm{ = 6}}{\rm{.022 \times 1}}{{\rm{0}}^{{\rm{23}}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{)}}\)

1 \({\rm{7}}{\rm{.50 \times 1}}{{\rm{0}}^{\rm{4}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
2 \({\rm{4}}{\rm{.76 \times 1}}{{\rm{0}}^{\rm{4}}}\,{{\rm{s}}^{{\rm{ - 1}}}}\)
3 \({\rm{3}}{\rm{.15 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
4 \({\rm{1}}{\rm{.24 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307428 Electromagnetic radiation of wavelength 242 nm is just sufficient to ionize the sodium atom. What is the ionization energy of sodium per atom?

1 \({\rm{494}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 6}}}}{\rm{J/atom}}\)
2 \({\rm{3169}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}{\rm{J/atom}}\)
3 \({\rm{5}}{\rm{.85 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
4 \({\rm{8}}{\rm{.207 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307429 Excited hydrogen atom emits light in the ultraviolet region at \({\rm{2}}{\rm{.47 \times 1}}{{\rm{0}}^{{\rm{15}}}}{\rm{Hz}}{\rm{.}}\) With this frequency, the energy of a single photon is: \({\rm{(h = 6}}{\rm{.63 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js)}}\)

1 \({\rm{8}}{\rm{.041 \times 1}}{{\rm{0}}^{{\rm{ - 40}}}}\;{\rm{J}}\)
2 \({\rm{2}}{\rm{.680 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\;{\rm{J}}\)
3 \({\rm{1}}{\rm{.640 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}\;{\rm{J}}\)
4 \({\rm{6}}{\rm{.111 \times 1}}{{\rm{0}}^{{\rm{ - 17}}}}{\rm{J}}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI02:STRUCTURE OF ATOM

307426 The dimension of Planck’s constant are same as

1 Energy
2 Angular momentum
3 Work
4 Power
CHXI02:STRUCTURE OF ATOM

307427 Ionisation energy of gaseous Na atoms is \({\rm{495}}{\rm{.5}}\,{\rm{kJ}}\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). The lowest possible frequency of light that ionises a sodium atom is \({\rm{(h = 6}}{\rm{.626 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js,}}\,\,{{\rm{N}}_{\rm{A}}}{\rm{ = 6}}{\rm{.022 \times 1}}{{\rm{0}}^{{\rm{23}}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{)}}\)

1 \({\rm{7}}{\rm{.50 \times 1}}{{\rm{0}}^{\rm{4}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
2 \({\rm{4}}{\rm{.76 \times 1}}{{\rm{0}}^{\rm{4}}}\,{{\rm{s}}^{{\rm{ - 1}}}}\)
3 \({\rm{3}}{\rm{.15 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
4 \({\rm{1}}{\rm{.24 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307428 Electromagnetic radiation of wavelength 242 nm is just sufficient to ionize the sodium atom. What is the ionization energy of sodium per atom?

1 \({\rm{494}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 6}}}}{\rm{J/atom}}\)
2 \({\rm{3169}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}{\rm{J/atom}}\)
3 \({\rm{5}}{\rm{.85 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
4 \({\rm{8}}{\rm{.207 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307429 Excited hydrogen atom emits light in the ultraviolet region at \({\rm{2}}{\rm{.47 \times 1}}{{\rm{0}}^{{\rm{15}}}}{\rm{Hz}}{\rm{.}}\) With this frequency, the energy of a single photon is: \({\rm{(h = 6}}{\rm{.63 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js)}}\)

1 \({\rm{8}}{\rm{.041 \times 1}}{{\rm{0}}^{{\rm{ - 40}}}}\;{\rm{J}}\)
2 \({\rm{2}}{\rm{.680 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\;{\rm{J}}\)
3 \({\rm{1}}{\rm{.640 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}\;{\rm{J}}\)
4 \({\rm{6}}{\rm{.111 \times 1}}{{\rm{0}}^{{\rm{ - 17}}}}{\rm{J}}\)
CHXI02:STRUCTURE OF ATOM

307426 The dimension of Planck’s constant are same as

1 Energy
2 Angular momentum
3 Work
4 Power
CHXI02:STRUCTURE OF ATOM

307427 Ionisation energy of gaseous Na atoms is \({\rm{495}}{\rm{.5}}\,{\rm{kJ}}\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\). The lowest possible frequency of light that ionises a sodium atom is \({\rm{(h = 6}}{\rm{.626 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js,}}\,\,{{\rm{N}}_{\rm{A}}}{\rm{ = 6}}{\rm{.022 \times 1}}{{\rm{0}}^{{\rm{23}}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}{\rm{)}}\)

1 \({\rm{7}}{\rm{.50 \times 1}}{{\rm{0}}^{\rm{4}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
2 \({\rm{4}}{\rm{.76 \times 1}}{{\rm{0}}^{\rm{4}}}\,{{\rm{s}}^{{\rm{ - 1}}}}\)
3 \({\rm{3}}{\rm{.15 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
4 \({\rm{1}}{\rm{.24 \times 1}}{{\rm{0}}^{{\rm{15}}}}{{\rm{s}}^{{\rm{ - 1}}}}\)
CHXI02:STRUCTURE OF ATOM

307428 Electromagnetic radiation of wavelength 242 nm is just sufficient to ionize the sodium atom. What is the ionization energy of sodium per atom?

1 \({\rm{494}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 6}}}}{\rm{J/atom}}\)
2 \({\rm{3169}}{\rm{.5 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}{\rm{J/atom}}\)
3 \({\rm{5}}{\rm{.85 \times 1}}{{\rm{0}}^{{\rm{ - 15}}}}{\rm{J/atom}}\)
4 \({\rm{8}}{\rm{.207 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J/atom}}\)
CHXI02:STRUCTURE OF ATOM

307429 Excited hydrogen atom emits light in the ultraviolet region at \({\rm{2}}{\rm{.47 \times 1}}{{\rm{0}}^{{\rm{15}}}}{\rm{Hz}}{\rm{.}}\) With this frequency, the energy of a single photon is: \({\rm{(h = 6}}{\rm{.63 \times 1}}{{\rm{0}}^{{\rm{ - 34}}}}{\rm{Js)}}\)

1 \({\rm{8}}{\rm{.041 \times 1}}{{\rm{0}}^{{\rm{ - 40}}}}\;{\rm{J}}\)
2 \({\rm{2}}{\rm{.680 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}\;{\rm{J}}\)
3 \({\rm{1}}{\rm{.640 \times 1}}{{\rm{0}}^{{\rm{ - 18}}}}\;{\rm{J}}\)
4 \({\rm{6}}{\rm{.111 \times 1}}{{\rm{0}}^{{\rm{ - 17}}}}{\rm{J}}\)