1.

The velocityassociatedwith aprotonmovingin apotentialdifferenceof 100 v is4.37 xx 10^(5) ms^(-1).ifthe hockeyballof mass0.1kg ismovingwith thisvelocity, calculatethewavelengthassociatedwiththisvelocity

Answer»

Solution :`h= 6.626 XX 10^(34)J s=6.625 xx 10^(34)kg m^(2)s^(-10`
`v=4.37 xx 10^(5) ms^(-1)m=-0.1 kg`
Accordingto DEBROGLIE
`lambda= (h)/(mv)= (6.626 xx 10^(34) kg m^(2) s^(1))/(0.1kg 4.37 xx 10^(5) ms^(1))`
`=1.516xx 10^(38)m`
`=1.516 xx 10^(26) pm`
Note, thiswavelengthis least.Sothe BALL with high speeddoes not posseswavenature.


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