1.

An isolated nucleus which was initially at rest, disintegrates into two nuclei due to internal nuclear forces and nogamma rays are produced. If the ratio of their kinetic energy is found to be

Answer»

<P>RATIO of their de-broglie wavelength is `(sqrt(64))/(sqrt(27))` respectively
Ratio of their SPEED is 64/27 respectively
Ratio of their nuclear radius is 5/4 respectively
None of these

Solution :`P_(1)=P_(2)=P`
`m_(1)v_(1)=m_(2)v_(2)`
`((P^(2))/(2m_(1)))//((P^(2))/(2m_(2)))=64/27`
`(m_(2))/(m_(1))-64/27 =(v_(1))/(v_(2))`
`(lambda_(1))/(lambda_(2))=(h//P_(1))/(h//P_(2))=1:1`
`(R_(1))/(R_(2))=((A_(1))/(A_(2)))^(1//3)=3/4`


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