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CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with $α -$ 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} C +_{1}^{1} p \to_{7}^{14} N +_{0}^{1} n

2

_{5}^{11} B +_{1}^{2} D \to_{6}^{12} C +_{0}^{1} n

3

_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n

4

_{4}^{13} Be \to_{4}^{12} Be +_{0}^{1} n

Explanation:

When beryllium sheets were bombarded by $α$ -particles, some neutral particles ejected out which were called neutrons.
$_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n$

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 $S_{1}$ is the specific charge (e/m) of cathode rays and $S_{2}$ is that of positive rays then which is true?

1

S_{1} = S_{2}

2

S_{1} < S_{2}

3

S_{1} > S_{2}

4

E i t h e r o f t h e s e

CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with $α -$ 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} C +_{1}^{1} p \to_{7}^{14} N +_{0}^{1} n

2

_{5}^{11} B +_{1}^{2} D \to_{6}^{12} C +_{0}^{1} n

3

_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n

4

_{4}^{13} Be \to_{4}^{12} Be +_{0}^{1} n

Explanation:

When beryllium sheets were bombarded by $α$ -particles, some neutral particles ejected out which were called neutrons.
$_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n$

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 $S_{1}$ is the specific charge (e/m) of cathode rays and $S_{2}$ is that of positive rays then which is true?

1

S_{1} = S_{2}

2

S_{1} < S_{2}

3

S_{1} > S_{2}

4

E i t h e r o f t h e s e

CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with $α -$ 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} C +_{1}^{1} p \to_{7}^{14} N +_{0}^{1} n

2

_{5}^{11} B +_{1}^{2} D \to_{6}^{12} C +_{0}^{1} n

3

_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n

4

_{4}^{13} Be \to_{4}^{12} Be +_{0}^{1} n

Explanation:

When beryllium sheets were bombarded by $α$ -particles, some neutral particles ejected out which were called neutrons.
$_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n$

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 $S_{1}$ is the specific charge (e/m) of cathode rays and $S_{2}$ is that of positive rays then which is true?

1

S_{1} = S_{2}

2

S_{1} < S_{2}

3

S_{1} > S_{2}

4

E i t h e r o f t h e s e

CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with $α -$ 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} C +_{1}^{1} p \to_{7}^{14} N +_{0}^{1} n

2

_{5}^{11} B +_{1}^{2} D \to_{6}^{12} C +_{0}^{1} n

3

_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n

4

_{4}^{13} Be \to_{4}^{12} Be +_{0}^{1} n

Explanation:

When beryllium sheets were bombarded by $α$ -particles, some neutral particles ejected out which were called neutrons.
$_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n$

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 $S_{1}$ is the specific charge (e/m) of cathode rays and $S_{2}$ is that of positive rays then which is true?

1

S_{1} = S_{2}

2

S_{1} < S_{2}

3

S_{1} > S_{2}

4

E i t h e r o f t h e s e

CHXI02:STRUCTURE OF ATOM

307632 When beryllium is bombarded with $α -$ 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} C +_{1}^{1} p \to_{7}^{14} N +_{0}^{1} n

2

_{5}^{11} B +_{1}^{2} D \to_{6}^{12} C +_{0}^{1} n

3

_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n

4

_{4}^{13} Be \to_{4}^{12} Be +_{0}^{1} n

Explanation:

When beryllium sheets were bombarded by $α$ -particles, some neutral particles ejected out which were called neutrons.
$_{4}^{9} Be +_{2}^{4} He \to_{6}^{12} C +_{0}^{1} n$

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 $S_{1}$ is the specific charge (e/m) of cathode rays and $S_{2}$ is that of positive rays then which is true?

1

S_{1} = S_{2}

2

S_{1} < S_{2}

3

S_{1} > S_{2}

4

E i t h e r o f t h e s e