   Chapter 29, Problem 61PE

Chapter
Section
Textbook Problem

Unreasonable Results(a) Assuming it is nonrelativistic, calculate the velocity of an electron with a 0.100-fm wavelength (small enough to detect details of a nucleus). (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?

To determine

(a)

The velocity of electron with wavelength0.1fm.

Explanation

Given info:

Wavelength of electron is,λ=0.1fm.

Formula used:

Formula to calculate the wavelength of electron is given as,

λ=hmv

Calculation:

The velocity of electron can be calculated as,

v=hmλv=6.626×1034Js9.1×1031kg×0

To determine

(b)

The unreasonability of the velocity of electron obtained in part (a).

To determine

(c)

The assumption which is unreasonable or inconsistent.

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