An electron is moving in a circular path under the influence of a transverse magnetic field of 3⋅57×10−2T. If the value of e/m is 1⋅76×1011 C/kgg. the frequency of revolution of the electron is.
6⋅28 MHz
1 GHZ
100 MHz
62⋅8 MHz
A
100 MHz
B
1 GHZ
C
62⋅8 MHz
D
6⋅28 MHz
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Solution
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Given : qm=1.76×1011C/kgB=3.57×10−2T
Frequency of revolution ν=Bq2πm
∴ν=3.57×10−2×1.76×10112π=1×109 Hz =1 GHz
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An electron is moving in a circular path under the influence of a transverse magnetic field of 3⋅57×10−2T. If the value of e/m is 1⋅76×1011 C/kgg. the frequency of revolution of the electron is.
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Q2
An electron is moving in a circular path under the influence of a transverse magnetic field of 3.57×10–2T. If the value of em is 1.76×1011C/kg, the frequency of revolution of the electron is