If electron is having a wavelength of `100 A^(0)` then momentum is `(gm cm s^(-1))` units

The Speed of an electron having a wavelength of 1.0 cm is

The Speed of an electron having a wavelength of 3.0 cm is

The Speed of an electron having a wavelength of 4.0 cm is

The Speed of an electron having a wavelength of 5.0 cm is

The Speed of an electron having a wavelength of 7.0 cm is

The Speed of an electron having a wavelength of 6.0 cm is

The Speed of an electron having a wavelength of 9.0 cm is

An electron and a photon each have a wavelength of 1.00 nm. Find (i) their momentum (ii) the energy of the photon and (iii) K.E of electron

An electron and a photon each have a wavelength of 1.00 nm. Find (a) their momentum , (b) the energy of the photon and (c) the kinetic energy of electron.

An electron and a photon each have a wavelength of 1.00 nm. Find their momenta .