# physics

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proton and electron enters in magnetic field at an angle 30 degree .find the radius and time period in terms of magnetic field

• physics -

v(║) =vcosα
v(┴)=vsinα

m•v(┴)²/R=q•v(┴)•B•sin90º= q•v(┴)•B,
R=mv(┴)/q•B.
R(e)=m(e)•v(┴)/e•B.
R(p)=m(p)•v(┴)/e•B.

T(e)=2•π•R(e)/v(┴)
T(p)=2•π•R(p)/v(┴)

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