Question

kinetic energy of electron=2.5*10^-24J. Calculate de-broglie wavelength.​

Answer 1

Answer:

Explanation:

Hey mate ur answer

Answer 2

Answer:

3.106 *10^-7 m

Explanation:

wavelength=h/mv. Mass of electron=9.1*10^-31kg

Since mv=momentum and p=mv=√2mk

wavelength=h/√2mk

=(6.626*10^-34)/(√(2*9.1*10^-31*2.5*10^-24))