An electron is moving with a velocity of `2.5 xx 10^(6) ms^(-1)`. If the uncertainty in its velocity is 0.1% , calculate the uncertainty in its position.
(Plank's constant, h = `6.626 xx 10^(-34)` Js),( Mass of the electron = ` 9.1 xx 10^(-31)` kg.)

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

An electron is moving northward with a velocity 8.5 xx 10^(6) ms^(-1) in a magnetic field 2T, directed downward. Calculate the instantaneous force on the electron.

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 2.05xx10^(7) ms^(-1) .

An electron moving with a velocity of 4.5 xx 10^(7)m/s enters a magnetic field of 2.5 T at an angle of 30^(o) calculate the force on the electron.

The dual behaviour of matter was proposed by the French physicist , de Broglie. b) A moving electron has a de Broglie wavelength of 7 xx10^ (-7) m. Calculate its kinetic energy. (Plank's constant, = 6.626 xx 10^(-34) Js),( Mass of an electron = 9.1 xx 10^(-31) kg.)

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

What is the uncertainty in position of an electron if the uncertainty in its velocity is 5.7 xx 10^(5) m/s ?

In an atom, an electron is moving with a speed of 600 ms^(-1) with an accuracy of 0.005%. Certainty with while the position of the electron can be located is (h = 6.6xx 10^(-34) kg m^(2)s^(-1)) , mass of electron m_(e) = 9.1 xx 10^(-31) k

Calculate the uncertainty in velocity of a cricket ball of mass 150g, if the uncertainty in its position is of the order of 1 Å .