Calculate the wavelength of a photos in Angstrom units having energy of one electron volt. `(h=6.626xx10^-34 js,C=3xx1-^8 ms^-1)`

The de Broglie wavelength of an electron is 66 nm. The velocity of the electron is (h=6.6xx10^(-34)kgm^(2)s^(-1)m=9.0xx10^(-31)kg)

Calculate the wavelength of an electron moving with a velocity of 2.5xx10^(-7) ms^(-1)h=6.626xx10^(-34)Js: mass of an electron= 9.11xx10^(-31) kg.

What will be the wavelength of oxygen molecule in picometers moving with a velocity of 660 ms^(-1) (h = 6.626 xx 10^(-34) kg m^2 s^(-1)) .

Calculate the number of electrons constituting one coulomb of c.harge. (charge on 1 electron = 1.6xx10^(-19) C)

What is the mass of a photon of sodium light with a wavelength of 5890 Å? [h = 6.626 xx 10^(-34) Js]

Lithium has a work function of 2.3 eV. It is exposed to light of wavelength 4.8 xx 10^(-7) m. Find the maximum kinetic energy with which the electron leaves the surface. What is the longest wave length which can produce the photo electrons ? Data : W = 2.3 eV, h=6.626 xx 10^(-34)Js, e=1.6 xx 10^(-19) C. Longest wavelength = ? , Kinetic energy = ?

Calculate the wavelength associated with a proton moving at 1.0xx10^(3)m//s . (Mass of proton =1.67xx10^(-27)kg and h=6.63xx10^(-34) Js)

Calculate the kinetic energy of a moving electron which has a wavelength of 4.8 pm. [mass of electron = 9.11 xx 10^(-31) kg, h = 6.626 xx 10^(-34) Kg m^2s^(-1) ].

Calculate the momentum of a particle which has a de-Broglie wavelength of 1Å. [ h = 6.626 xx 10^(-34) kg m^2 s^(-1) ]

The deBroglie wavelength of an electron travelling at 1% of the speed of light is( h=6.6xx10^(-4) Js, mass of electron =9.0xx10^(-31) kg