An electron and `alpha` particle have same debrogile wavelength associated with them. How are their kinetic energy related to each other?

An electron and alpha particle have the same de-Broglie wavelength associated with them. How are their kinetic energies related to each other?

If photon and an electron have same de-Brogile wavelength then.

How are photosynthesis and respiration related to each other?

How are standing crop and biomass related to each other?

Calcualte the ratio of the accelerating potential requied to accelrate a deutron and alpha particle to have the same de-Broglie wavelength assoiated with them.Given,mass of deutron = 3.2 xx 10^(-27) kg and mass of alpha particle = 6.4 xx 10^(-27) kg .

How are /_\H and /_\G related to each other as.