Suppose that the particle is an electron projected with velocity `v_x = 2.0 xx 10^6 m s^-1`. If E between the plates separated by 0.5 cm is `9.1 xx 10^2N//C`, where will the electron strike the upper plate? `(|e| =1.6 xx 10^-19 C, m_e=9.1 xx 10^-31 kg.)

In a chamber, a uniform magnetic field of 6.5 G (1 G = 10^-4 T) is maintained. An electron is shot into the field with a speed of 4.8 xx 10^6 m s^-1 normal to the field. Explain why the path of the electron is a circle. Determine the radius of the circular orbit. (e = 1.5 xx 10^-19 C. m_e= 9.1x10^-31 kg)

Calculate the de-Broglie wavelength for electron moving with speed of 6 xx 10^5 m s^(-1) .

Find out the vlaue of 1 Bohr magneton. Givne h = 6.62 xx 10^-34 J s, e = 1.6 xx 10^-19C and m _e = 9.1 xx 10^-31 kg

How far apart should the two electrons be , if the force each exerts on the other is equal to the weight of the electron? Given that upsilon _) = 8.854 xx 10^-12 SI unit, e = 1.6 xx 10^19 C and m_e = 9.1 xx 10^-31 kg.

An electron is moving northwards with a velocity of 10^(7)ms^(-1) in a magnetic field of 3 T,directed downwards.Calculate the instantaneous force on the electron. Given that charge on electron = 1.6 xx 10^-19C

A conductor with a cross-section of 10^-4m^2 carries an electric current of 1.2 A. If the number of the free electrons are 5xx10^28m^-3 , calculate the electron drift velocity. Charge on the electron, e = 1.6 xx 10^-19C