question_answer 79)

The velocity associated with proton moving in a potential difference of \[1000\,V\] is\[4.37\times {{10}^{5}}m\,{{s}^{-1}}\]. If a hockey ball of mass 0.1 kg is moving with this velocity, calculate the wavelength associated with this velocity.

Answer:

de Broglie wavelength can be calculated using following relation \[\lambda =\frac{h}{m\upsilon }\] \[=\frac{6.626\times {{10}^{-34}}}{0.1\times 4.37\times {{10}^{5}}}\] \[=1.516\times {{10}^{-38}}\]