Find the flux density of the magnetic field to cause `62.5 eV ` electron to move in a circular path of radius 5 cm. Given `m = 9.1 xx 10^-31 kg, e = 1.6 xx 10^-19 C`

Find the flux density of the magnetic field to cause 62.5eV electron to move in a circular path of the radius 5cm. Given m = 9.1xx10^(-31) ,kg, e = 1.6xx10^(-19)C

Calculate the ratio of electrostatic to gravitational force between two electrons placed at a certain distance in air. Given that m_e = 9.1 xx 10^31 kg, e = 1.6 xx 10^19C and G = 6.6 xx 10^17 N m^2 kg^-2

An electron after bein accelerated through a potential difference of 1 00 V enters a uniform magnetic field of 0.004 T perpendiular to its direction of motion. Calculate the radius of the path describe by the electron. Given m = 9.1 xx 10^-31 kg and e = 1.6 xx 10^-19 C

Calculate the strength of magnetic field due to an electron revolving in a circle of radius 2xx10^-10 m with a speed of 5xx10^6 ms^-1 at its centre.

Find de-Broglie wavelength associated with an electrons moving with velocity 0.6 C. Given, rest mass of electron = 9.1 xx 10^-31 kg , h=6.63 xx 10^-34 Js .