In a standing wave formed as a result of reflection from a surface, the ratio of the amplitude a...

Channel:
PW Solutions
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=S1eq90IXYZU


Duration: 6:05
1 views
0

In a standing wave formed as a result of reflection from a surface, the ratio of the amplitude at an
\( \mathrm{P} \) antinode to that at node is 3 . The fraction of energy

W that is reflected is :
(1) \( 4 / 9 \)
(2) \( 9 / 25 \)
(3) \( 1 / 4 \)
(4) \( 1 / 9 \)
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2023-01-16рдирд┐рдореНрди рдореЗрдВ рд╕реЗ рдХреМрдирд╕рд╛ рдЯреЗрд░рд┐рдбреЛрдлрд╛рдЗрдЯрд╛ рдирд╣реАрдВ рд╣реИ (A) рдЧрд┐рдВрдЧреЛ (B) рд╕рд┐рд▓реЗрдЬрд┐рдиреЗрд▓рд╛ (C) рдкреЙрд▓реАрдкреЛрдбрд┐рдпрдо (D) рдПрдЬреЛрд▓рд╛
2023-01-16рд╕реНрдкреЛрд░реЗрдиреНрдЬрд┐рдпрд╛ рдХрд╛ рд╕рдореВрд╣ рдЬреЛ рдкреНрд▓реЗрд╕реЗрдиреНрдЯрд╛ рд╕реЗ рдЬреБрдбрд╝рд╛ рд╣реЛ рдФрд░ рдЗрдиреНрдбреНрдпреВрд╕рд┐рдпрдо рджреНрд╡рд╛рд░рд╛ рдШрд┐рд░рд╛ рд╣реЛ рддреЛ рдЙрд╕реЗ рдХрд╣рддреЗ рд╣реИрдВ (A)...
2023-01-16A closed organ pipe of length \( \ell \) is sounded together with another closed organ pipe of l...
2023-01-16Two vibrating tuning forks produce progressive waves given by \( \mathrm{y}_{1}=4 \sin (500 \pi ...
2023-01-16The frequency of tuning fork \( \mathrm{A} \) is \( 2 \% \) more than the frequency of a standar...
2023-01-16Two tuning forks A and B produce 8 beats/ s when sounded together. A gas column \( 37.5 \) \( \m...
2023-01-16Column I Column II (A) Tuning fork \( \mathrm{A} \) of frequency (P) \( 128 \mathrm{~Hz} \) \( P...
2023-01-16Four tuning forks of frequencies \( 200,201,204 \) and \( 206 \mathrm{~Hz} \) are sounded togeth...
2023-01-16Consider an interference pattern between two coherent sources. If \( I_{1} \) and \( I_{2} \) be...
2023-01-16You are given four tuning forks, the lowest frequency of the forks is \( 300 \mathrm{~Hz} \). By...
2023-01-16In a standing wave formed as a result of reflection from a surface, the ratio of the amplitude a...
2023-01-16The three identical loud speakers in figure play a \( 170 \mathrm{~Hz} \) frequency tone in a ro...
2023-01-16Two sitar strings, A and B, playing the note Dha are slightly out of tune and produce beats of \...
2023-01-16A tuning fork of frequency \( 480 \mathrm{~Hz} \) is used to vibrate a sonometer wire having nat...
2023-01-16A man standing in front of a vertical wall at a certain distance beats a drum at regular interva...
2023-01-16Two radio station that are \( 250 \mathrm{~m} \) apart emit radio waves of wavelength \( 100 \ma...
2023-01-16Two open organ pipes of fundamental frequencies \( \mathrm{n}_{1} \) and \( \mathrm{n}_{2} \) ar...
2023-01-16At \( \mathrm{t}=0 \), a transverse wave pulse travelling in the positive \( \mathrm{x} \) direc...
2023-01-16It is found that an increase in pressure of \( 100 \mathrm{kPa} \) causes a certain volume of wa...
2023-01-16A girl stands \( 130 \mathrm{~m} \) away from a high wall. She claps her hands together at a ste...
2023-01-16A transverse wave is passing through a stretched string with a speed of \( 20 \mathrm{~m} / \mat...