   Chapter 32, Problem 55PE

Chapter
Section
Textbook Problem

A radiation−enhanced nuclear weapon (or neutron bomb) can have a smaller total yield and still produce more prompt radiation than a conventional nuclear bomb. This allows the use of neutron bombs to kill nearby advancing enemy forces with radiation without blowing up your own forces with the blast. For a 0.500−kT radiation−enhanced weapon and a 1.00−kT conventional nuclear bomb: (a) Compare the blast yields. (b) Compare the prompt radiation yields.

To determine

(a)

The comparison between the blast yields of radiation-enhanced nuclear weapon and conventional nuclear bomb.

Explanation

Given info:

The energy yield for a radiation-enhanced weapon is,Yr=0.500kT.

The energy yield for a conventional nuclear bomb is,Yc=1.00kT.

Blast percentage for a radiation-enhanced weapon is40%.

Blast percentage for a conventional nuclear bomb is50%.

Formula used:

Formula for the energy of blast yield is,

E=Y(J)×blast %       ......(1)

Calculation:

Substituting the values for radiation-enhanced weapon in equation (1), we get

Er=(0.50×4.2×1012J)×40100Er=84×1010J

Substituting the values for conventional nuclear bomb in equation (1), we get

Ec=(1

To determine

(b)

The comparison between the prompt radiation yields of radiation-enhanced nuclear weapon and conventional nuclear bomb.

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