<![CDATA[
<!--StartFragment--> <A name="[문서의 처음]"></A>
<P style="FONT-SIZE: 16pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-WEIGHT: bold; FONT-SIZE: 16pt; COLOR: #000000; LINE-HEIGHT: 34px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"> 음파의 길이(Wavelength)란</SPAN><SPAN style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"></SPAN> </P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">1) 음파의 길이(Wavelength)란 무었일까요?? </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">그렇다면 음파의 한싸이클당(360도) 거리를 말하는거네요! </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">원래는 23와 24에서 약 344m을 이동합니다. 그리고 1도식 올라갈때마다 0.6m씩 빨라집니다. 1도식 내려가면 반대이구요. </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">요기서 23,24는 온도인가요? </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">2) 24도의 온도에서 20hz의 음파의 길이는 어떻게 될까요? </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">24도 에서는 344m/s 이니깐 344/20=17.2[m] </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">3) 24도에서 1Khz의 음파의 길이도 구해 보시구요 </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">344/1000=0.344[m] </SPAN> </P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">4) 10도씨에서 440hz의 음파의 길이도 한번 구해보세요 </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">24도에서 344[m/s]로 가정하고 </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">344-(14*0.6)=335.6 </SPAN> </P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">그러므로 335.6/440=약 0.763 이네요! </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">## Hz : hertz (헤르쯔) </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">주파수의 단위 </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">진동수는 주기(T)의 역수(1/T)로 구합니다. </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">따라서 1초(sec)에 얼만큼 진동하냐입니다. </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">한주기는 사인(sine)파처럼 360도가되는 것이죠. </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">1초에 60Hz라는 말은 60번의 진동을 한다는 말이겠죠... </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">KHz = Hz X 1000 (10^3) </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">MHz = Hz X 1000 X 1000 (10^6) </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">GHz = Hz X 1000 X 1000 X 1000 (10^9) </SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify"><BR></SPAN></P>
<P style="FONT-SIZE: 10pt; MARGIN: 0px; COLOR: #000000; TEXT-INDENT: 0px; LINE-HEIGHT: 160%; FONT-FAMILY: '한양신명조'; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; COLOR: #000000; LINE-HEIGHT: 21px; FONT-FAMILY: 한양신명조,한컴돋움; LETTER-SPACING: 0px; TEXT-ALIGN: justify">그럼 1MHz는 1초에 백만번 진동하는 엄청난 주파수네!!! </SPAN></P>
<!-- -->
]]>
카페 게시글
장착자료-기타자료
음파의 길이(Wavelength)란
김천경
추천 0
조회 20
07.04.12 11:01
댓글 0
다음검색
