Particle Nature of Electromagnetic Radiation
CHXI02:STRUCTURE OF ATOM

307385 Photoelectric effect can be explained by assuming that light

1 Is a form of transverse waves
2 Is a form of longitudinal waves
3 Can be polarised
4 Consists of quanta
CHXI02:STRUCTURE OF ATOM

307386 Ejection of the photoelectron from metal in the photoelectric effect experiment can by stopped by applying 0.5 V when the radiation of 250 nm is used. The work function of the metal is:

1 \({\rm{4}}\,{\rm{eV}}\)
2 \({\rm{5}}{\rm{.5}}\,{\rm{eV}}\)
3 \({\rm{4}}{\rm{.5}}\,{\rm{eV}}\)
4 \({\rm{5}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307387 The energy absorbed by each molecule \(\left( {{{\rm{A}}_{\rm{2}}}} \right)\) of a substance is \({\rm{4}}{\rm{.4 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\) and bond energy(BE) per molecule is \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\). The kinetic energy of the molecule per atom will be

1 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
2 \({\rm{2}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
3 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
4 \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
CHXI02:STRUCTURE OF ATOM

307389 The work function of a photoelectric material is 3.3 eV, is threshold frequency will be

1 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{33}}}}{\rm{Hz}}\)
3 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{10}}}}{\rm{Hz}}\)
4 \({\rm{4 \times 1}}{{\rm{0}}^{{\rm{11}}}}{\rm{Hz}}\)
CHXI02:STRUCTURE OF ATOM

307390 The potential to be applied to bring the photoelectron to rest which was emitted from a metal surface of work function 2.1 eV on irradiating it with radiation of frequency \({\rm{6 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\) is \({\rm{(1eV = 1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J)}}\)

1 \({\rm{0}}{\rm{.425}}\,{\rm{eV}}\)
2 \({\rm{0}}{\rm{.211}}\,{\rm{eV}}\)
3 \({\rm{2}}{\rm{.1}}\,{\rm{eV}}\)
4 \({\rm{0}}{\rm{.385}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307385 Photoelectric effect can be explained by assuming that light

1 Is a form of transverse waves
2 Is a form of longitudinal waves
3 Can be polarised
4 Consists of quanta
CHXI02:STRUCTURE OF ATOM

307386 Ejection of the photoelectron from metal in the photoelectric effect experiment can by stopped by applying 0.5 V when the radiation of 250 nm is used. The work function of the metal is:

1 \({\rm{4}}\,{\rm{eV}}\)
2 \({\rm{5}}{\rm{.5}}\,{\rm{eV}}\)
3 \({\rm{4}}{\rm{.5}}\,{\rm{eV}}\)
4 \({\rm{5}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307387 The energy absorbed by each molecule \(\left( {{{\rm{A}}_{\rm{2}}}} \right)\) of a substance is \({\rm{4}}{\rm{.4 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\) and bond energy(BE) per molecule is \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\). The kinetic energy of the molecule per atom will be

1 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
2 \({\rm{2}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
3 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
4 \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
CHXI02:STRUCTURE OF ATOM

307389 The work function of a photoelectric material is 3.3 eV, is threshold frequency will be

1 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{33}}}}{\rm{Hz}}\)
3 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{10}}}}{\rm{Hz}}\)
4 \({\rm{4 \times 1}}{{\rm{0}}^{{\rm{11}}}}{\rm{Hz}}\)
CHXI02:STRUCTURE OF ATOM

307390 The potential to be applied to bring the photoelectron to rest which was emitted from a metal surface of work function 2.1 eV on irradiating it with radiation of frequency \({\rm{6 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\) is \({\rm{(1eV = 1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J)}}\)

1 \({\rm{0}}{\rm{.425}}\,{\rm{eV}}\)
2 \({\rm{0}}{\rm{.211}}\,{\rm{eV}}\)
3 \({\rm{2}}{\rm{.1}}\,{\rm{eV}}\)
4 \({\rm{0}}{\rm{.385}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307385 Photoelectric effect can be explained by assuming that light

1 Is a form of transverse waves
2 Is a form of longitudinal waves
3 Can be polarised
4 Consists of quanta
CHXI02:STRUCTURE OF ATOM

307386 Ejection of the photoelectron from metal in the photoelectric effect experiment can by stopped by applying 0.5 V when the radiation of 250 nm is used. The work function of the metal is:

1 \({\rm{4}}\,{\rm{eV}}\)
2 \({\rm{5}}{\rm{.5}}\,{\rm{eV}}\)
3 \({\rm{4}}{\rm{.5}}\,{\rm{eV}}\)
4 \({\rm{5}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307387 The energy absorbed by each molecule \(\left( {{{\rm{A}}_{\rm{2}}}} \right)\) of a substance is \({\rm{4}}{\rm{.4 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\) and bond energy(BE) per molecule is \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\). The kinetic energy of the molecule per atom will be

1 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
2 \({\rm{2}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
3 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
4 \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
CHXI02:STRUCTURE OF ATOM

307389 The work function of a photoelectric material is 3.3 eV, is threshold frequency will be

1 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{33}}}}{\rm{Hz}}\)
3 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{10}}}}{\rm{Hz}}\)
4 \({\rm{4 \times 1}}{{\rm{0}}^{{\rm{11}}}}{\rm{Hz}}\)
CHXI02:STRUCTURE OF ATOM

307390 The potential to be applied to bring the photoelectron to rest which was emitted from a metal surface of work function 2.1 eV on irradiating it with radiation of frequency \({\rm{6 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\) is \({\rm{(1eV = 1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J)}}\)

1 \({\rm{0}}{\rm{.425}}\,{\rm{eV}}\)
2 \({\rm{0}}{\rm{.211}}\,{\rm{eV}}\)
3 \({\rm{2}}{\rm{.1}}\,{\rm{eV}}\)
4 \({\rm{0}}{\rm{.385}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307385 Photoelectric effect can be explained by assuming that light

1 Is a form of transverse waves
2 Is a form of longitudinal waves
3 Can be polarised
4 Consists of quanta
CHXI02:STRUCTURE OF ATOM

307386 Ejection of the photoelectron from metal in the photoelectric effect experiment can by stopped by applying 0.5 V when the radiation of 250 nm is used. The work function of the metal is:

1 \({\rm{4}}\,{\rm{eV}}\)
2 \({\rm{5}}{\rm{.5}}\,{\rm{eV}}\)
3 \({\rm{4}}{\rm{.5}}\,{\rm{eV}}\)
4 \({\rm{5}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307387 The energy absorbed by each molecule \(\left( {{{\rm{A}}_{\rm{2}}}} \right)\) of a substance is \({\rm{4}}{\rm{.4 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\) and bond energy(BE) per molecule is \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\). The kinetic energy of the molecule per atom will be

1 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
2 \({\rm{2}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
3 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
4 \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
CHXI02:STRUCTURE OF ATOM

307389 The work function of a photoelectric material is 3.3 eV, is threshold frequency will be

1 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{33}}}}{\rm{Hz}}\)
3 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{10}}}}{\rm{Hz}}\)
4 \({\rm{4 \times 1}}{{\rm{0}}^{{\rm{11}}}}{\rm{Hz}}\)
CHXI02:STRUCTURE OF ATOM

307390 The potential to be applied to bring the photoelectron to rest which was emitted from a metal surface of work function 2.1 eV on irradiating it with radiation of frequency \({\rm{6 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\) is \({\rm{(1eV = 1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J)}}\)

1 \({\rm{0}}{\rm{.425}}\,{\rm{eV}}\)
2 \({\rm{0}}{\rm{.211}}\,{\rm{eV}}\)
3 \({\rm{2}}{\rm{.1}}\,{\rm{eV}}\)
4 \({\rm{0}}{\rm{.385}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307385 Photoelectric effect can be explained by assuming that light

1 Is a form of transverse waves
2 Is a form of longitudinal waves
3 Can be polarised
4 Consists of quanta
CHXI02:STRUCTURE OF ATOM

307386 Ejection of the photoelectron from metal in the photoelectric effect experiment can by stopped by applying 0.5 V when the radiation of 250 nm is used. The work function of the metal is:

1 \({\rm{4}}\,{\rm{eV}}\)
2 \({\rm{5}}{\rm{.5}}\,{\rm{eV}}\)
3 \({\rm{4}}{\rm{.5}}\,{\rm{eV}}\)
4 \({\rm{5}}\,{\rm{eV}}\)
CHXI02:STRUCTURE OF ATOM

307387 The energy absorbed by each molecule \(\left( {{{\rm{A}}_{\rm{2}}}} \right)\) of a substance is \({\rm{4}}{\rm{.4 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\) and bond energy(BE) per molecule is \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\). The kinetic energy of the molecule per atom will be

1 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
2 \({\rm{2}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
3 \({\rm{2}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J}}\)
4 \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{{\rm{ - 20}}}}{\rm{J}}\)
CHXI02:STRUCTURE OF ATOM

307389 The work function of a photoelectric material is 3.3 eV, is threshold frequency will be

1 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\)
2 \({\rm{5 \times 1}}{{\rm{0}}^{{\rm{33}}}}{\rm{Hz}}\)
3 \({\rm{8 \times 1}}{{\rm{0}}^{{\rm{10}}}}{\rm{Hz}}\)
4 \({\rm{4 \times 1}}{{\rm{0}}^{{\rm{11}}}}{\rm{Hz}}\)
CHXI02:STRUCTURE OF ATOM

307390 The potential to be applied to bring the photoelectron to rest which was emitted from a metal surface of work function 2.1 eV on irradiating it with radiation of frequency \({\rm{6 \times 1}}{{\rm{0}}^{{\rm{14}}}}{\rm{Hz}}\) is \({\rm{(1eV = 1}}{\rm{.6 \times 1}}{{\rm{0}}^{{\rm{ - 19}}}}{\rm{J)}}\)

1 \({\rm{0}}{\rm{.425}}\,{\rm{eV}}\)
2 \({\rm{0}}{\rm{.211}}\,{\rm{eV}}\)
3 \({\rm{2}}{\rm{.1}}\,{\rm{eV}}\)
4 \({\rm{0}}{\rm{.385}}\,{\rm{eV}}\)