An electron and a proton enter region of uniform magnetic field in a direction at right angles to the field with the same kinetic energy. They describe circular paths of radius $${{r}_{e}}$$ and $${{r}_{p}}$$ respectively. Then [Manipal MEE 1995]

Question

An electron and a proton enter region of uniform magnetic field in a direction at right angles to the field with the same kinetic energy. They describe circular paths of radius $${{r}_{e}}$$ and $${{r}_{p}}$$ respectively. Then                                        [Manipal MEE 1995]

TuteeHUB · Accepted Answer

$${{r}_{e}}>{{r}_{p}}$$

TuteeHUB · Answer

$${{r}_{e}}={{r}_{p}}$$

TuteeHUB · Answer

\[{{r}_{e}}

TuteeHUB · Answer

$${{r}_{e}}$$ may be less than or greater than $${{r}_{p}}$$ depending on the direction of the magnetic field

1.	An electron and a proton enter region of uniform magnetic field in a direction at right angles to the field with the same kinetic energy. They describe circular paths of radius \[{{r}_{e}}\] and \[{{r}_{p}}\] respectively. Then [Manipal MEE 1995]
A.	\[{{r}_{e}}={{r}_{p}}\]
B.	\[{{r}_{e}}<{{r}_{p}}\]
C.	\[{{r}_{e}}>{{r}_{p}}\]
D.	\[{{r}_{e}}\] may be less than or greater than \[{{r}_{p}}\] depending on the direction of the magnetic field
Answer» C. \[{{r}_{e}}>{{r}_{p}}\]

An electron and a proton enter region of uniform magnetic field in a direction at right angles to the field with the same kinetic energy. They describe circular paths of radius \[{{r}_{e}}\] and \[{{r}_{p}}\] respectively. Then [Manipal MEE 1995]

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