Characteristics of Sound Waves
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PHXI15:WAVES

354691 How long will it take sound waves to travel a distance 1 between points \(A\) and \(B\) if the air temperature between them varies linealy from \(T_{1}\) to \(T_{2}\) ? (The velocity of sound in air at temperature \(T\) is given by \(v=\alpha \sqrt{T}\), where \(\alpha\) is constant)

1 \(\alpha l \sqrt{\dfrac{T_{1}}{T_{2}}}\)
2 \(\dfrac{2 l}{\alpha \sqrt{T_{1} T_{2}}}\)
3 \(\dfrac{2 l}{\alpha\left(\sqrt{T_{2}}+\sqrt{T_{1}}\right)}\)
4 \(\sqrt{T_{1}+T_{2}} \cdot \alpha l\)
PHXI15:WAVES

354692 Calculate the speed of sound in a liquid of density \({2000 {~kg} / {m}^{3}}\) and bulk modulus \({2 \times 10^{9} {~N} / {m}^{2}}\).

1 \({500 {~m} / {s}}\)
2 \({1000 {~m} / {s}}\)
3 \({125 {~m} / {s}}\)
4 \({250 {~m} / {s}}\)
PHXI15:WAVES

354628 Match the Column I with Column II.


























Column I Column II
A. Pitch P. Waveform
B. Quality Q. Frequency
C. Loudness R. Intensity
D. Nodes S. Zero amplitude

1 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,D - S}}\)
2 \({\rm{A - Q,}}\,{\rm{B - P,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
3 \({\rm{A - R,}}\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - Q}}\)
4 \({\rm{A - R,B - S,C - P,D - Q}}\)
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PHXI15:WAVES

354691 How long will it take sound waves to travel a distance 1 between points \(A\) and \(B\) if the air temperature between them varies linealy from \(T_{1}\) to \(T_{2}\) ? (The velocity of sound in air at temperature \(T\) is given by \(v=\alpha \sqrt{T}\), where \(\alpha\) is constant)

1 \(\alpha l \sqrt{\dfrac{T_{1}}{T_{2}}}\)
2 \(\dfrac{2 l}{\alpha \sqrt{T_{1} T_{2}}}\)
3 \(\dfrac{2 l}{\alpha\left(\sqrt{T_{2}}+\sqrt{T_{1}}\right)}\)
4 \(\sqrt{T_{1}+T_{2}} \cdot \alpha l\)
PHXI15:WAVES

354692 Calculate the speed of sound in a liquid of density \({2000 {~kg} / {m}^{3}}\) and bulk modulus \({2 \times 10^{9} {~N} / {m}^{2}}\).

1 \({500 {~m} / {s}}\)
2 \({1000 {~m} / {s}}\)
3 \({125 {~m} / {s}}\)
4 \({250 {~m} / {s}}\)
PHXI15:WAVES

354628 Match the Column I with Column II.


























Column I Column II
A. Pitch P. Waveform
B. Quality Q. Frequency
C. Loudness R. Intensity
D. Nodes S. Zero amplitude

1 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,D - S}}\)
2 \({\rm{A - Q,}}\,{\rm{B - P,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
3 \({\rm{A - R,}}\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - Q}}\)
4 \({\rm{A - R,B - S,C - P,D - Q}}\)
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PHXI15:WAVES

354691 How long will it take sound waves to travel a distance 1 between points \(A\) and \(B\) if the air temperature between them varies linealy from \(T_{1}\) to \(T_{2}\) ? (The velocity of sound in air at temperature \(T\) is given by \(v=\alpha \sqrt{T}\), where \(\alpha\) is constant)

1 \(\alpha l \sqrt{\dfrac{T_{1}}{T_{2}}}\)
2 \(\dfrac{2 l}{\alpha \sqrt{T_{1} T_{2}}}\)
3 \(\dfrac{2 l}{\alpha\left(\sqrt{T_{2}}+\sqrt{T_{1}}\right)}\)
4 \(\sqrt{T_{1}+T_{2}} \cdot \alpha l\)
PHXI15:WAVES

354692 Calculate the speed of sound in a liquid of density \({2000 {~kg} / {m}^{3}}\) and bulk modulus \({2 \times 10^{9} {~N} / {m}^{2}}\).

1 \({500 {~m} / {s}}\)
2 \({1000 {~m} / {s}}\)
3 \({125 {~m} / {s}}\)
4 \({250 {~m} / {s}}\)
PHXI15:WAVES

354628 Match the Column I with Column II.


























Column I Column II
A. Pitch P. Waveform
B. Quality Q. Frequency
C. Loudness R. Intensity
D. Nodes S. Zero amplitude

1 \({\rm{A - P,}}\,{\rm{B - Q,}}\,{\rm{C - R,D - S}}\)
2 \({\rm{A - Q,}}\,{\rm{B - P,}}\,{\rm{C - R,}}\,{\rm{D - S}}\)
3 \({\rm{A - R,}}\,{\rm{B - P,}}\,{\rm{C - S,}}\,{\rm{D - Q}}\)
4 \({\rm{A - R,B - S,C - P,D - Q}}\)
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