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(a) In what ways are matter waves different from electromagnetic waves ?

(b) If the kinetic energy of a particle is reduced to one-fourth\left (\frac{1}{4} \right ) of its initial value, how many times will the de Broglie wavelength associated with it become ?

 

 
 
 
 
 

Answers (1)

a) 

Matter waves are associated with moving particle

The electromagnetic wave is produced by accelerated charged particles

b)

\\\lambda=\frac{h}{mv}=\frac{h}{\sqrt{2mE_k}}

If 

\\E_k\ becomes\ \frac{1}{4}E_k\\\lambda\ doubles

 

Posted by

Safeer PP

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