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A nucleus splits into two nuclear parts ...

A nucleus splits into two nuclear parts having radii in the ratio `1:2` Their velocities are in the ratio

A

`4:1`

B

`8:1`

C

`2:1`

D

`6:1`

Text Solution

Verified by Experts

The correct Answer is:
B
For `phi=90^(@),cosphi=0`
So, `lamda'=lamda+(h)/(m_(e)c)`
`=0.140xx10^(-9)+(6.63xx10^(-34))/((9.1xx10^(-31))(3xx10^(8)))`
`=(0.140xx10^(-9)+2.4xx10^(-12))m=0.142`nm
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ATOMS, MOLECULES AND NUCLEI -Exercise 1 (TOPICAL PROBLEMS)
  1. X-ray of wavelength lamda=2 Å is emitted from the metal target. The po...

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  2. If a source of power 4 kW produces 10^(20) photons//second, the radiat...

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  3. A nucleus splits into two nuclear parts having radii in the ratio 1:2 ...

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  4. The mass defect in a particular nuclear reaction is 0.3 grams. The amo...

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  5. Number of neutrons in C^(12) and C^(14) are

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  6. The density of a nucleus of mass number A is proportional to

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  7. The stable nucleus that has a radius 1//3 that of Os^(189) is-

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  8. Let binding energy per nucleon of nucleus is denoted by E(bn) and radi...

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  9. The nuclear force

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  10. If M(A,Z), M(p)and M(n) denote the masses of the nucleus .(Z)X^(A), pr...

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  11. What is the Q-value of the reaction? ""^(1)H+""^(7)Lito ""^(4)He+""^...

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  12. Binding energy per nucleon relation with mass number

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  13. The curve of blinding energy per nucleon as a function of atomic mass ...

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  14. Atomic mass of ""6C^(13) is 1300335 amu and its mass number is 13.0 If...

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  15. Let N(beta) be the number of beta particles emitted by 1 gram of Na^(2...

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  16. A radioactive decay can form an isotope of the original nucleus with t...

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  17. The half-life of a radioactive substance is 20 min. the time taken bet...

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  18. A uranium nucleus ""(92)U^(238) emits and alpha-particle and a beta-pa...

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  19. ""(92)"U"^(235) undergoes successive disintegrations with the end prod...

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  20. A nucleus with Z =92 emits the following in a sequence: alpha,beta^(...

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