Sub-Atomic Particles
CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with \({\rm{\alpha - }}\) particles (Chadwick’s experiment) extremely penetrating radiations which cannot be deflected by electric or magnetic field are given out. These are

1 A beam of protons
2 Alpha rays
3 A beam of neutrons
4 A beam of neutrons and protons
CHXI02:STRUCTURE OF ATOM

307633 Which of the following reactions led to the discovery of the neutron?

1 \({ }_{6}^{14} \mathrm{C}+{ }_{1}^{1} \mathrm{p} \rightarrow{ }_{7}^{14} \mathrm{~N}+{ }_{0}^{1} \mathrm{n}\)
2 \({ }_{5}^{11} \mathrm{~B}+{ }_{1}^{2} \mathrm{D} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
3 \({ }_{4}^{9} \mathrm{Be}+{ }_{2}^{4} \mathrm{He} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
4 \({ }_{4}^{13} \mathrm{Be} \rightarrow{ }_{4}^{12} \mathrm{Be}+{ }_{0}^{1} \mathrm{n}\)
CHXI02:STRUCTURE OF ATOM

307634 Which is not deflected by magnetic field?

1 Neutron
2 Positron
3 Proton
4 Electron
CHXI02:STRUCTURE OF ATOM

307635 Electron, proton and neutron were respectively discovered by

1 James Chadwick, John Dalton, J.J.Thomson
2 J.J. Thomson, Goldstein, John Dalton
3 J.J. Thomson, William Crookes, Goldstein
4 J.J.Thomson, Goldstein, James Chadwick
CHXI02:STRUCTURE OF ATOM

307636 If \({{\rm{S}}_{\rm{1}}}\) is the specific charge (e/m) of cathode rays and \({{\rm{S}}_{\rm{2}}}\) is that of positive rays then which is true?

1 \({{\rm{S}}_{\rm{1}}}{\rm{ = }}{{\rm{S}}_{\rm{2}}}\)
2 \({{\rm{S}}_{\rm{1}}}{\rm{ < }}{{\rm{S}}_{\rm{2}}}\)
3 \({{\rm{S}}_{\rm{1}}}{\rm{ > }}{{\rm{S}}_{\rm{2}}}\)
4 \({\rm{Either }}\,{\rm{of }}\,{\rm{these}}\)
CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with \({\rm{\alpha - }}\) particles (Chadwick’s experiment) extremely penetrating radiations which cannot be deflected by electric or magnetic field are given out. These are

1 A beam of protons
2 Alpha rays
3 A beam of neutrons
4 A beam of neutrons and protons
CHXI02:STRUCTURE OF ATOM

307633 Which of the following reactions led to the discovery of the neutron?

1 \({ }_{6}^{14} \mathrm{C}+{ }_{1}^{1} \mathrm{p} \rightarrow{ }_{7}^{14} \mathrm{~N}+{ }_{0}^{1} \mathrm{n}\)
2 \({ }_{5}^{11} \mathrm{~B}+{ }_{1}^{2} \mathrm{D} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
3 \({ }_{4}^{9} \mathrm{Be}+{ }_{2}^{4} \mathrm{He} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
4 \({ }_{4}^{13} \mathrm{Be} \rightarrow{ }_{4}^{12} \mathrm{Be}+{ }_{0}^{1} \mathrm{n}\)
CHXI02:STRUCTURE OF ATOM

307634 Which is not deflected by magnetic field?

1 Neutron
2 Positron
3 Proton
4 Electron
CHXI02:STRUCTURE OF ATOM

307635 Electron, proton and neutron were respectively discovered by

1 James Chadwick, John Dalton, J.J.Thomson
2 J.J. Thomson, Goldstein, John Dalton
3 J.J. Thomson, William Crookes, Goldstein
4 J.J.Thomson, Goldstein, James Chadwick
CHXI02:STRUCTURE OF ATOM

307636 If \({{\rm{S}}_{\rm{1}}}\) is the specific charge (e/m) of cathode rays and \({{\rm{S}}_{\rm{2}}}\) is that of positive rays then which is true?

1 \({{\rm{S}}_{\rm{1}}}{\rm{ = }}{{\rm{S}}_{\rm{2}}}\)
2 \({{\rm{S}}_{\rm{1}}}{\rm{ < }}{{\rm{S}}_{\rm{2}}}\)
3 \({{\rm{S}}_{\rm{1}}}{\rm{ > }}{{\rm{S}}_{\rm{2}}}\)
4 \({\rm{Either }}\,{\rm{of }}\,{\rm{these}}\)
CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with \({\rm{\alpha - }}\) particles (Chadwick’s experiment) extremely penetrating radiations which cannot be deflected by electric or magnetic field are given out. These are

1 A beam of protons
2 Alpha rays
3 A beam of neutrons
4 A beam of neutrons and protons
CHXI02:STRUCTURE OF ATOM

307633 Which of the following reactions led to the discovery of the neutron?

1 \({ }_{6}^{14} \mathrm{C}+{ }_{1}^{1} \mathrm{p} \rightarrow{ }_{7}^{14} \mathrm{~N}+{ }_{0}^{1} \mathrm{n}\)
2 \({ }_{5}^{11} \mathrm{~B}+{ }_{1}^{2} \mathrm{D} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
3 \({ }_{4}^{9} \mathrm{Be}+{ }_{2}^{4} \mathrm{He} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
4 \({ }_{4}^{13} \mathrm{Be} \rightarrow{ }_{4}^{12} \mathrm{Be}+{ }_{0}^{1} \mathrm{n}\)
CHXI02:STRUCTURE OF ATOM

307634 Which is not deflected by magnetic field?

1 Neutron
2 Positron
3 Proton
4 Electron
CHXI02:STRUCTURE OF ATOM

307635 Electron, proton and neutron were respectively discovered by

1 James Chadwick, John Dalton, J.J.Thomson
2 J.J. Thomson, Goldstein, John Dalton
3 J.J. Thomson, William Crookes, Goldstein
4 J.J.Thomson, Goldstein, James Chadwick
CHXI02:STRUCTURE OF ATOM

307636 If \({{\rm{S}}_{\rm{1}}}\) is the specific charge (e/m) of cathode rays and \({{\rm{S}}_{\rm{2}}}\) is that of positive rays then which is true?

1 \({{\rm{S}}_{\rm{1}}}{\rm{ = }}{{\rm{S}}_{\rm{2}}}\)
2 \({{\rm{S}}_{\rm{1}}}{\rm{ < }}{{\rm{S}}_{\rm{2}}}\)
3 \({{\rm{S}}_{\rm{1}}}{\rm{ > }}{{\rm{S}}_{\rm{2}}}\)
4 \({\rm{Either }}\,{\rm{of }}\,{\rm{these}}\)
CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with \({\rm{\alpha - }}\) particles (Chadwick’s experiment) extremely penetrating radiations which cannot be deflected by electric or magnetic field are given out. These are

1 A beam of protons
2 Alpha rays
3 A beam of neutrons
4 A beam of neutrons and protons
CHXI02:STRUCTURE OF ATOM

307633 Which of the following reactions led to the discovery of the neutron?

1 \({ }_{6}^{14} \mathrm{C}+{ }_{1}^{1} \mathrm{p} \rightarrow{ }_{7}^{14} \mathrm{~N}+{ }_{0}^{1} \mathrm{n}\)
2 \({ }_{5}^{11} \mathrm{~B}+{ }_{1}^{2} \mathrm{D} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
3 \({ }_{4}^{9} \mathrm{Be}+{ }_{2}^{4} \mathrm{He} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
4 \({ }_{4}^{13} \mathrm{Be} \rightarrow{ }_{4}^{12} \mathrm{Be}+{ }_{0}^{1} \mathrm{n}\)
CHXI02:STRUCTURE OF ATOM

307634 Which is not deflected by magnetic field?

1 Neutron
2 Positron
3 Proton
4 Electron
CHXI02:STRUCTURE OF ATOM

307635 Electron, proton and neutron were respectively discovered by

1 James Chadwick, John Dalton, J.J.Thomson
2 J.J. Thomson, Goldstein, John Dalton
3 J.J. Thomson, William Crookes, Goldstein
4 J.J.Thomson, Goldstein, James Chadwick
CHXI02:STRUCTURE OF ATOM

307636 If \({{\rm{S}}_{\rm{1}}}\) is the specific charge (e/m) of cathode rays and \({{\rm{S}}_{\rm{2}}}\) is that of positive rays then which is true?

1 \({{\rm{S}}_{\rm{1}}}{\rm{ = }}{{\rm{S}}_{\rm{2}}}\)
2 \({{\rm{S}}_{\rm{1}}}{\rm{ < }}{{\rm{S}}_{\rm{2}}}\)
3 \({{\rm{S}}_{\rm{1}}}{\rm{ > }}{{\rm{S}}_{\rm{2}}}\)
4 \({\rm{Either }}\,{\rm{of }}\,{\rm{these}}\)
CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with \({\rm{\alpha - }}\) particles (Chadwick’s experiment) extremely penetrating radiations which cannot be deflected by electric or magnetic field are given out. These are

1 A beam of protons
2 Alpha rays
3 A beam of neutrons
4 A beam of neutrons and protons
CHXI02:STRUCTURE OF ATOM

307633 Which of the following reactions led to the discovery of the neutron?

1 \({ }_{6}^{14} \mathrm{C}+{ }_{1}^{1} \mathrm{p} \rightarrow{ }_{7}^{14} \mathrm{~N}+{ }_{0}^{1} \mathrm{n}\)
2 \({ }_{5}^{11} \mathrm{~B}+{ }_{1}^{2} \mathrm{D} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
3 \({ }_{4}^{9} \mathrm{Be}+{ }_{2}^{4} \mathrm{He} \rightarrow{ }_{6}^{12} \mathrm{C}+{ }_{0}^{1} \mathrm{n}\)
4 \({ }_{4}^{13} \mathrm{Be} \rightarrow{ }_{4}^{12} \mathrm{Be}+{ }_{0}^{1} \mathrm{n}\)
CHXI02:STRUCTURE OF ATOM

307634 Which is not deflected by magnetic field?

1 Neutron
2 Positron
3 Proton
4 Electron
CHXI02:STRUCTURE OF ATOM

307635 Electron, proton and neutron were respectively discovered by

1 James Chadwick, John Dalton, J.J.Thomson
2 J.J. Thomson, Goldstein, John Dalton
3 J.J. Thomson, William Crookes, Goldstein
4 J.J.Thomson, Goldstein, James Chadwick
CHXI02:STRUCTURE OF ATOM

307636 If \({{\rm{S}}_{\rm{1}}}\) is the specific charge (e/m) of cathode rays and \({{\rm{S}}_{\rm{2}}}\) is that of positive rays then which is true?

1 \({{\rm{S}}_{\rm{1}}}{\rm{ = }}{{\rm{S}}_{\rm{2}}}\)
2 \({{\rm{S}}_{\rm{1}}}{\rm{ < }}{{\rm{S}}_{\rm{2}}}\)
3 \({{\rm{S}}_{\rm{1}}}{\rm{ > }}{{\rm{S}}_{\rm{2}}}\)
4 \({\rm{Either }}\,{\rm{of }}\,{\rm{these}}\)