 by a very simple experiment. Take a tuning-fork, and holding it in the fingers after it has been made to vibrate, place a sheet of paper or the blade of a broad knife with its edge parallel to the axis of the fork, and as near to the fork as conveniently...  Mathematical and Physical Papers - الصفحة 332بواسطة George Gabriel Stokes - 1904عرض كامل - لمحة عن هذا الكتاب
 | John Tyndall - 1875 - عدد الصفحات: 466
...Professor Stokes. Let | the two black rectangles in fig. 34 represent the section of a tuning-fork. After it has been made to vibrate, place a sheet of...to the axis of the fork, and as near to the fork as may be without touching. If the obstacle be so placed that the section of it is A or B no effect is... | |
 | John Tyndall - 1885 - عدد الصفحات: 482
...illustrated by Prof. Stokes. Let the two black rectangles in Fig. 34 represent the section of a tuning-fork. After it has been made to vibrate, place a sheet of...broad knife, with its edge parallel to the axis of tho fork, and as near to the fork as may be without touching. If the obstacle be so placed that the... | |
 | John William Strutt Baron Rayleigh - 1896 - عدد الصفحات: 534
...exhibited by a very simple experiment. Take a tuning-fork, and holding it in. the fingere after it has be* made to vibrate, place a sheet of paper, or the blade...as near to the fork as conveniently may be without touching. If the plane of the obstacle coincide with either of the planes of symmetry of the fork,... | |
 | John William Strutt Baron Rayleigh - 1896 - عدد الصفحات: 528
...could excite directly in the air would be so small as to be almost or altogether inaudible." I Fig. 64. made to vibrate, place a sheet of paper, or the blade...as near to the fork as conveniently may be without touching. If the plane of the obstacle coincide with either of the planes of symmetry of the fork,... | |
 | John Tyndall - 1897 - عدد الصفحات: 472
...illustrated by Prof. Stokes. Let the two black rectangles in Fig. 34: represent the section of a tuning-fork. After it has, been made to vibrate, place a sheet...to the axis of the fork, and as near to the fork as may be without touching If the obstacle be so placed that the section of it is A or B no effect is... | |
 | John Tyndall - 1897 - عدد الصفحات: 522
...Stokes. Let the two black rectangles in Fig. 34 represent the section of a tuning-fork. After it 1ms been made to vibrate, place a sheet of paper, or the...broad knife, with its edge parallel to the axis of the II fork, and as near to the fork as may be without touching If the obstacle be so placed that the section... | |
 | John Tyndall - 1915 - عدد الصفحات: 492
...Stokes. Let the | two black rectangles in Fig. r IQ* o4« 34 represent the section of a tuning-fork. After it has been made to vibrate, place a sheet of paper, or the blade ' a broad knife, with its edge parallel to the axis of the SOUND. fork, and as near to the fork as... | |
 | John William Strutt Baron Rayleigh, Robert Bruce Lindsay - 1945 - عدد الصفحات: 530
...excite directly in the air would be so small as to be almost or altogether inaudible.” II Fi 5 . 64. made to vibrate, place a sheet of paper, or the blade...as near to the fork as conveniently may be without touching. If the plane of the obstacle coincide with either of the planes of symmetry of the fork,... | |
 | 1868 - عدد الصفحات: 1022
...amplitude. The increase of sound produced by the stoppage of lateral motion may be prettily exhibited A by a very simple experiment. Take a tuning-fork, and...« near to the fork as conveniently may be without touching. If the plane of the obstacle coincide with either of the planes of symmetry of the fork,... | |
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