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Chapter 12: Q2CQ (page 555)

The increase in potential energy as two atoms in a diatomic molecule get closer is partly due to the core electrons being forced by the exclusion principle to higher energies. Can you argue why the residual strong force should have a 鈥渉ard core鈥�.

Short Answer

Expert verified

Since the residual strong force is the sum of the electromagnetic force and the strong force, it will behave the same.In other words, it has a 'hard core'.

Step by step solution

01

Given data

The strong force has a short range, and within this range, the force is almost constant.

02

Definition of Inverse Square Law

This law describeshow intense the light will be with respect to the distance of the source.

It states thatthe intensity of the light will be inversely proportional to the square of the distance.

03

Explain if residual strong force should have a hard core 

The strong force has a short range, and within this range, the force is almost constant.

In contrast, the electromagnetic force follows the inverse square law.

This means there is a limit to how close two protons can get together.If they are too close, the repulsive electromagnetic force is going to be bigger than the strong force, and the two nucleons will separate again.

Since the residual strong force is the sum of the electromagnetic force and the strong force, it will behave the same.

In other words, it has a 'hard core'.

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In the following exercises, two protons are smashed together in an attempt to convert kinetic energy into mass and new particles. Indicate whether the proposed reaction is possible. If not, indicate which rules are violated. Consider only those for charge, angular momentum, and baryon number If the reaction is possible, calculate the minimum kinetic energy required of the colliding protons.

p+p鈫�p+K++蚂0

In the following exercises, two protons are smashed together in an attempt to convert kinetic energy into mass and new particles. Indicate whether the proposed reaction is possible. If not, indicate which rules are violated. Consider only those for charge, angular momentum, and baryon number If the reaction is possible, calculate the minimum kinetic energy required of the colliding protons.

p+p鈫�p+K+
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