The mass of an electron is 9.1 xx 10^...

The mass of an electron is `9.1 xx 10^(31) kg` if its K.E. Is `3.0 xx 10^(25) J` calculate its wavelength .

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`7.25 xx 10^(7) m`

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The kinetic energy of electron is 4.55 xx 10^(-25) J and mas is 9.1 xx 10^(-31) kg then calculate velocity , momentum and wave length of electron.

Which of the following should be the wavelength of an electron if its mass is 9.1xx10^(-31)kg and its velocity is 1//10 of that of light and the value of h is 6.6252xx10^(-24) joule second?

Dual behaviour of matter proposed by de Broglie led to the discovery of electron microscope often used for the highly magnified images of biological moleculas and other type of material .If the velocity of the electron in this microsocope is 1.6 xx 10^(6) ms^(-1) Calculate de - Broglie wavelength associated with this electron (m_(e) = 9.1 xx 10^(31) kg h= 6.626 xx 10^(34) Js )

A moving electron has 4.55 xx 10^(-25) joules of kinetic energy. Calculate its wavelength (mass = 9.1 xx 10^(-31) kg and h = 6.626 xx 10^(-34) kg m^2 s^(-1) ).

Assume that a neutron breaks into a proton and an electron . The energy reased during this process is (mass of neutron = 1.6725 xx 10^(-27) kg mass of proton = 1.6725 xx 10^(-27) kg mass of electron = 9 xx 10^(-31) kg )

Calculate the wavelength associated with an electron (mass 9.1 xx 10^(-31) kg) moving with a velocity of 10^3m sec^(-1) (h=6.626 xx 10^(-34) kg m^2 sec^(-1)) .

The wavelength of a moving body of mass 0.1 mg is 3.31 xx 10^(-29) m. Calculate its kinetic energy (h = 6.626 xx 10^(-34) Js) .

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