Chapter 29, Problem 61PE

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

Chapter
Section

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
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,Î»=0.1â€‰fm.

Formula used:

Formula to calculate the wavelength of electron is given as,

Î»=hmv

Calculation:

The velocity of electron can be calculated as,

v=hmÎ»v=6.626Ã—10âˆ’34â€‰Jâ‹…s9.1Ã—10âˆ’31â€‰kgÃ—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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