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Because the reflection is off of a point where the string is not allowed to move.
You can determine the phase of a reflected wave relative to the incoming wave from the freedom of motion of the point of reflection.
Since the point of reflection in the case of a string is not allowed to move, we can imagine that if it was a point on a longer string (and thus free to move) what would be the required phase of a wave coming from the distance moving in the direction of the reflected wave that does not move that point. Thus the reflected wave must always cancel the incoming wave at the point of reflection, the only phase that will fulfill this condition is the inversion (180 degree phase shift).
What else can I help you with?
Why should you always pull a string?
Because it is far too difficult to push a string.
Do string players have longer fingers?
Not always
What has the author Hifumi Shimoyama written?
Hifumi Shimoyama has written: 'Reflection' -- subject(s): String orchestra music, Scores
What is the longest factor string for 312?
The longest factor string is 2x2x2x3x13. It is always best to list your factor string from the least to greatest number.
What is a string tie?
Check out Colonel Sanders of KFC fame he always wore his Mississippi string tie.
What is a Mississippi string tie?
Check out Colonel Sanders of KFC fame he always wore his Mississippi string tie.
Which string is always closest to you when playing the guitar?
low E
What types of wave produced on the string?
Stationary transverse waves are produced on strings. This is due to the superimposition of the progressive wave and its reflection at the knife edges.
Can two pulses traveling in opposite directions on the same string reflect off each other?
Only if the string is in a loop or there is something at the opposite ends of the string to provide a reflection or echo. If there is an echo then slightly weaker pulses will reflect off of each other near the point of origin.
Write a program that takes a five digit binary number from user and prints the number with inverted bits?
#include<iostream> #include<string> int main() { std::string input, invert; bool ok = false; while (!ok) { std::cout << "Enter a 5-digit binary number:"; std::getline (std::cin, input); if (input.size()==5) { invert = input; ok = true; for (auto c = invert.begin(); c!=invert.end(); ++c) { switch (*c) { case ('1'): *c = '0'; break; case ('0'): *c = '1'; break; default: ok = false; } } } if (!ok) { std::cout << "Bad input\n"; invert.clear(); input.clear(); } } std::cout << "Input:\t" << input << std::endl; std::cout << "Invert:\t" << invert << std::endl; }
Which one is the first string on the guitar?
Depends.... 1st string is the small, thin E string, but can also be, in some eyes, the fat E string. People always argue over this, but go with the the thin E string.
Write a PHP program to check whether the number is palindrome or not?
This program only suits PHP. If you want a proper one try C program for it available on web <body> <?php if(isset($_POST['submit'])) { $text = $_POST['text']; $string = mysql_real_escape_string($text); $invert = strrev($string); if($string == $invert) { echo "<br>Given number is a palindrome!!"; } else { echo "<br>Given number is not a palindrome!!"; } } ?> <form method="post"> <input type="text" name="text" id="text" /> <input type="submit" name="submit" value="Submit" id="submit" onclick="<?php $_SERVER['PHP_SELF']; ?>" /> </form> </body>
