Calculate the magnitude of the force acting on an electron moving with a velocity of `3 xx 10^(7) ms^(-1)` at right angles to a magnetic field of 10T.

Calculate the wavelength of an electron moving with a velocity of 2.7xx10^(7) ms^(-1) .

Calculate the wavelength of an electron moving with a velocity of 2.05 xx 10^(7) ms^(-1)

Calculate the wavelength of an electron moving with a velocity of 2.05xx10^(7) ms^(-1) .

Calculate the wavelength of an electron moving with a velocity of 2.05xx10^7ms^(-1)

What is the radius of the circular path of an electron moving at a speed of 3 x 10^7 m/s in a magnetic field of 6x 10^(-4) T perpendicular to it?

What is the radius of the path of an electron (mass 9 xx 10^(-31)kg and q= 1.6 xx 10^(-19)C) moving at a speed of 3 xx 10^(7) ms^(-1) in a magnetic field of 6 xx 10^(-4)T perpendicular to it? What is the frequency? Calculate energy in Kev (1eV = 1.6 xx 10^(-19)J)