A 150 eV electron has a wavelength of `1.0 overset (@)(A)`. What is the wavelength of a 0.6 ke V electron ?

Calculate voltage to be applied to an electron microscope, so-as to produce electrons of wavelength 0.6 overset (@)(A) . Also, calculate the speed of the electrons.

The momentum of electron, if their wavelength is 10overset@A

Red light of wavelength 6400 overset@A in air, has a wavelength of 4000 overset@A in glass. If the wavelength of violet light in air is 4400 overset@A , what is the wavelength in glass. (Assume R.I. for violet and red colour are same)

The work function for the surface of aluminium is 4.2 eV. How much potential difference will be required to stop the emission of maximum energy electrons emitted by light of 2000 overset(@)(A) wavelength?What will be the wavelength of that incident light for which stopping potential wil be zero?

The work function of a metal is 4.3 eV. Find the K.E. and the velocity of photoelectrons emitted when radiation of wavelength 2500 overset (@)(A) is incident on it. (Mass of electron 9.1 xx 10^-31 kg )

An electron and a photon each have a wavelength of 1.00 nm. Find the kinetic energy of electron .

The wavelength of a beam of light in glass is 4400 overset (@)(A) What is its wavelength in air , if refractive index of glass is 1.5 ?

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

Find momentum of the electron having de Broglie wavelength of 0.5overset@ .

The photoelectric threshold wavelength of silver is 3250 xx 10^(-10) m . The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 xx 10^(-10) m is (Given h = 4.14 xx 10^(6) ms^(-1) eVs and c = 3 xx 10^(8) ms^(-1))