SATHEE: Atoms And Nuclei Question 337

Atoms And Nuclei Question 337

Question: Binding energy per nucleon vs mass number curve for nuclei is . W, X, F and Z are four nuclei indicated on the curve. The process that would release energy is

Options:

A) $Y \to 2 Z$

B) $W \to X + Z$

C) $W \to 2 Y$

D) $X \to Y + Z$

Show Answer

Answer:

Correct Answer: C

Solution:

Energy is released when stability increases.

This will happen when binding energy per nucleon increases.

Reactant Product

Reaction [a] $60 \times 8.5 M e V$ $= 510 M e V$ $2 \times 30 \times 5$ $= 300 M e V$

Reaction [b] $120 \times 7.5$ $= 900 M e V$ $(90 \times 8 + 30 \times 5)$ $= 870 M e V$

Reaction [c] $120 \times 7.5$ $= 900 M e V$ $2 \times 60 \times 8.5$ $= 1020 M e V$

Reaction [d] $90 \times 8$ $= 720 M e V$ $(60 \times 8.5 + 30 \times 5)$ $= 600 M e V$

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Atoms And Nuclei Question 337

Question: Binding energy per nucleon vs mass number curve for nuclei is . W, X, F and Z are four nuclei indicated on the curve. The process that would release energy is

Options:

Answer:

Solution:

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