Sub-Atomic Particles
CHXI02:STRUCTURE OF ATOM

307637 Which has highest specific charge?

1 Na+(A=23)
2 Mg2+(A=24)
3 Al3+(A=27)
4 Si4+(A=28)
CHXI02:STRUCTURE OF ATOM

307638 Consider the following statements
I. The mass of a proton and a neutron are virtually same
II. The charge of an electron and a proton are equal but has opposite sign
III. The mass of the electrons is a significant fraction of the total mass of any atom

1 All are correct
2 I and II are correct but III is false
3 II and III are correct but I is false
4 I and III are correct but II is false
CHXI02:STRUCTURE OF ATOM

307639 The lightest subatomic particle is

1 α-particle
2 positron
3 proton
4 neutron
CHXI02:STRUCTURE OF ATOM

307640 Which of the following pairs have identical values of e/m ?

1 A proton and a neutron
2 A proton and deuterium
3 Deuterium and an α-particle
4 An electron and γ-rays
CHXI02:STRUCTURE OF ATOM

307637 Which has highest specific charge?

1 Na+(A=23)
2 Mg2+(A=24)
3 Al3+(A=27)
4 Si4+(A=28)
CHXI02:STRUCTURE OF ATOM

307638 Consider the following statements
I. The mass of a proton and a neutron are virtually same
II. The charge of an electron and a proton are equal but has opposite sign
III. The mass of the electrons is a significant fraction of the total mass of any atom

1 All are correct
2 I and II are correct but III is false
3 II and III are correct but I is false
4 I and III are correct but II is false
CHXI02:STRUCTURE OF ATOM

307639 The lightest subatomic particle is

1 α-particle
2 positron
3 proton
4 neutron
CHXI02:STRUCTURE OF ATOM

307640 Which of the following pairs have identical values of e/m ?

1 A proton and a neutron
2 A proton and deuterium
3 Deuterium and an α-particle
4 An electron and γ-rays
CHXI02:STRUCTURE OF ATOM

307637 Which has highest specific charge?

1 Na+(A=23)
2 Mg2+(A=24)
3 Al3+(A=27)
4 Si4+(A=28)
CHXI02:STRUCTURE OF ATOM

307638 Consider the following statements
I. The mass of a proton and a neutron are virtually same
II. The charge of an electron and a proton are equal but has opposite sign
III. The mass of the electrons is a significant fraction of the total mass of any atom

1 All are correct
2 I and II are correct but III is false
3 II and III are correct but I is false
4 I and III are correct but II is false
CHXI02:STRUCTURE OF ATOM

307639 The lightest subatomic particle is

1 α-particle
2 positron
3 proton
4 neutron
CHXI02:STRUCTURE OF ATOM

307640 Which of the following pairs have identical values of e/m ?

1 A proton and a neutron
2 A proton and deuterium
3 Deuterium and an α-particle
4 An electron and γ-rays
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CHXI02:STRUCTURE OF ATOM

307637 Which has highest specific charge?

1 Na+(A=23)
2 Mg2+(A=24)
3 Al3+(A=27)
4 Si4+(A=28)
CHXI02:STRUCTURE OF ATOM

307638 Consider the following statements
I. The mass of a proton and a neutron are virtually same
II. The charge of an electron and a proton are equal but has opposite sign
III. The mass of the electrons is a significant fraction of the total mass of any atom

1 All are correct
2 I and II are correct but III is false
3 II and III are correct but I is false
4 I and III are correct but II is false
CHXI02:STRUCTURE OF ATOM

307639 The lightest subatomic particle is

1 α-particle
2 positron
3 proton
4 neutron
CHXI02:STRUCTURE OF ATOM

307640 Which of the following pairs have identical values of e/m ?

1 A proton and a neutron
2 A proton and deuterium
3 Deuterium and an α-particle
4 An electron and γ-rays