##DESCRIPTION
## insert description here
##ENDDESCRIPTION

## DBsubject(Modern Physics)
## DBchapter(Photons and Matter Waves)
## DBsection(De Broglie's Matter Waves)
## Date(9 March 2018)
## Institution(Brock University)
## Author(Kyle Winch)
## TitleText('University Physics Volume 3')
## AuthorText('Ling et al')
## EditionText('2017')
## Section('6.5')
## Problem('007')
## KEYWORDS()


DOCUMENT();
loadMacros( "PGbasicmacros.pl",
                     "MathObjects.pl",
	             "PGauxiliaryFunctions.pl",
	             "PGchoicemacros.pl",
	             "PGanswermacros.pl",
                     "PG_CAPAmacros.pl",
                     "BrockPhysicsMacros.pl"
);

TEXT(beginproblem());

$showPartialCorrectAnswers = 1;
$showHint =3;

$wavelength = 0.01;

$E = 2.103;
$F = 0.000132;

BEGIN_TEXT
The de Broglie wavelength of a neutron is \($wavelength\) nm. What is the speed and energy of this neutron?
$BR
$BR

Speed = \{ans_rule(40)\} eV
$BR
$BR

Energy = \{ans_rule(40)\} c
$BR
$BR

END_TEXT

ANS(num_cmp("$E"));

ANS(num_cmp("$F"));

ENDDOCUMENT()
