A proton, an electron, and a Helium nucleus, have the same energy. They are in circular orbits in a plane due to magnetic field perpendicular to the plane. Let rp, re and rHe be their respective radii, then,
(a)
(b)
(c)
=
(d)
A proton, an electron, and a Helium nucleus, have the same energy. They are in circular orbits in a plane due to magnetic field perpendicular to the plane. Let rp, re and rHe be their respective radii, then,
(a)
(b)
(c)
=
(d)
Question ID - 51342 | SaraNextGen Top Answer
A proton, an electron, and a Helium nucleus, have the same energy. They are in circular orbits in a plane due to magnetic field perpendicular to the plane. Let rp, re and rHe be their respective radii, then,
(a)
(b)
(c)
=
(d)
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A proton, an electron, and a Helium nucleus, have the same energy. They are in circular orbits in a plane due to magnetic field perpendicular to the plane. Let rp, re and rHe be their respective radii, then, |
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(a) |
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(b) |
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(c) |
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(d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
Radius of circular path (r) in a perpendicular uniform magnetic field=
=
For proton, electron and 
,
= 4
and 
Also 
= 2
and 
=
KE of all the particles is same then,
r 
=
127 votes
Answer Link
127