Reflection of Waves Strings
WAVES

172404 An elastic string of length $2 \mathrm{~m}$ is fixed at one end. The string starts to vibrate in third overtone with a frequency $1200 \mathrm{~Hz}$. The ratio of frequency of first overtone and fundamental is

1 $1: 1$
2 $2: 1$
3 $3: 1$
4 $4: 1$
WAVES

172405 A string is divided into three segments, so that the segment possesses fundamental frequencies in the ratio $1: 2: 3$. Then, the segments are in the ratio

1 $6: 3: 2$
2 $4: 3: 2$
3 $4: 2: 1$
4 $3: 2: 1$
WAVES

172406 When the area of cross-section of a stretched wire is halved and tension is doubled, the speed of propagation of transverse waves along it becomes $k$ times the initial speed. Then, $k$

1 1
2 4
3 2
4 8
WAVES

172407 A uniform rope of length $12 \mathrm{~m}$ and mass $6 \mathrm{~kg}$ hangs vertically from a rigid support. A block of mass $2 \mathrm{~kg}$ is attached to the free end of the rope. A transverse pulse of wavelength $0.06 \mathrm{~m}$ is produced at the lower end of the rope. Wavelength of the pulse when it reaches the top of the rope is .......... .

1 $0.02 \mathrm{~m}$
2 $0.12 \mathrm{~m}$
3 $0.01 \mathrm{~m}$
4 $0.03 \mathrm{~m}$
WAVES

172408 A transverse wave is travelling with velocity ' $V$ ' through a metal wire of length ' $L$ ' and density ' $\rho$ '. The tensile stress on the wire is

1 $V^{2} \rho$
2 $\mathrm{V} \rho^{2}$
3 $\mathrm{V} \rho$
4 $\frac{\mathrm{V}}{\rho}$
WAVES

172404 An elastic string of length $2 \mathrm{~m}$ is fixed at one end. The string starts to vibrate in third overtone with a frequency $1200 \mathrm{~Hz}$. The ratio of frequency of first overtone and fundamental is

1 $1: 1$
2 $2: 1$
3 $3: 1$
4 $4: 1$
WAVES

172405 A string is divided into three segments, so that the segment possesses fundamental frequencies in the ratio $1: 2: 3$. Then, the segments are in the ratio

1 $6: 3: 2$
2 $4: 3: 2$
3 $4: 2: 1$
4 $3: 2: 1$
WAVES

172406 When the area of cross-section of a stretched wire is halved and tension is doubled, the speed of propagation of transverse waves along it becomes $k$ times the initial speed. Then, $k$

1 1
2 4
3 2
4 8
WAVES

172407 A uniform rope of length $12 \mathrm{~m}$ and mass $6 \mathrm{~kg}$ hangs vertically from a rigid support. A block of mass $2 \mathrm{~kg}$ is attached to the free end of the rope. A transverse pulse of wavelength $0.06 \mathrm{~m}$ is produced at the lower end of the rope. Wavelength of the pulse when it reaches the top of the rope is .......... .

1 $0.02 \mathrm{~m}$
2 $0.12 \mathrm{~m}$
3 $0.01 \mathrm{~m}$
4 $0.03 \mathrm{~m}$
WAVES

172408 A transverse wave is travelling with velocity ' $V$ ' through a metal wire of length ' $L$ ' and density ' $\rho$ '. The tensile stress on the wire is

1 $V^{2} \rho$
2 $\mathrm{V} \rho^{2}$
3 $\mathrm{V} \rho$
4 $\frac{\mathrm{V}}{\rho}$
WAVES

172404 An elastic string of length $2 \mathrm{~m}$ is fixed at one end. The string starts to vibrate in third overtone with a frequency $1200 \mathrm{~Hz}$. The ratio of frequency of first overtone and fundamental is

1 $1: 1$
2 $2: 1$
3 $3: 1$
4 $4: 1$
WAVES

172405 A string is divided into three segments, so that the segment possesses fundamental frequencies in the ratio $1: 2: 3$. Then, the segments are in the ratio

1 $6: 3: 2$
2 $4: 3: 2$
3 $4: 2: 1$
4 $3: 2: 1$
WAVES

172406 When the area of cross-section of a stretched wire is halved and tension is doubled, the speed of propagation of transverse waves along it becomes $k$ times the initial speed. Then, $k$

1 1
2 4
3 2
4 8
WAVES

172407 A uniform rope of length $12 \mathrm{~m}$ and mass $6 \mathrm{~kg}$ hangs vertically from a rigid support. A block of mass $2 \mathrm{~kg}$ is attached to the free end of the rope. A transverse pulse of wavelength $0.06 \mathrm{~m}$ is produced at the lower end of the rope. Wavelength of the pulse when it reaches the top of the rope is .......... .

1 $0.02 \mathrm{~m}$
2 $0.12 \mathrm{~m}$
3 $0.01 \mathrm{~m}$
4 $0.03 \mathrm{~m}$
WAVES

172408 A transverse wave is travelling with velocity ' $V$ ' through a metal wire of length ' $L$ ' and density ' $\rho$ '. The tensile stress on the wire is

1 $V^{2} \rho$
2 $\mathrm{V} \rho^{2}$
3 $\mathrm{V} \rho$
4 $\frac{\mathrm{V}}{\rho}$
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WAVES

172404 An elastic string of length $2 \mathrm{~m}$ is fixed at one end. The string starts to vibrate in third overtone with a frequency $1200 \mathrm{~Hz}$. The ratio of frequency of first overtone and fundamental is

1 $1: 1$
2 $2: 1$
3 $3: 1$
4 $4: 1$
WAVES

172405 A string is divided into three segments, so that the segment possesses fundamental frequencies in the ratio $1: 2: 3$. Then, the segments are in the ratio

1 $6: 3: 2$
2 $4: 3: 2$
3 $4: 2: 1$
4 $3: 2: 1$
WAVES

172406 When the area of cross-section of a stretched wire is halved and tension is doubled, the speed of propagation of transverse waves along it becomes $k$ times the initial speed. Then, $k$

1 1
2 4
3 2
4 8
WAVES

172407 A uniform rope of length $12 \mathrm{~m}$ and mass $6 \mathrm{~kg}$ hangs vertically from a rigid support. A block of mass $2 \mathrm{~kg}$ is attached to the free end of the rope. A transverse pulse of wavelength $0.06 \mathrm{~m}$ is produced at the lower end of the rope. Wavelength of the pulse when it reaches the top of the rope is .......... .

1 $0.02 \mathrm{~m}$
2 $0.12 \mathrm{~m}$
3 $0.01 \mathrm{~m}$
4 $0.03 \mathrm{~m}$
WAVES

172408 A transverse wave is travelling with velocity ' $V$ ' through a metal wire of length ' $L$ ' and density ' $\rho$ '. The tensile stress on the wire is

1 $V^{2} \rho$
2 $\mathrm{V} \rho^{2}$
3 $\mathrm{V} \rho$
4 $\frac{\mathrm{V}}{\rho}$
WAVES

172404 An elastic string of length $2 \mathrm{~m}$ is fixed at one end. The string starts to vibrate in third overtone with a frequency $1200 \mathrm{~Hz}$. The ratio of frequency of first overtone and fundamental is

1 $1: 1$
2 $2: 1$
3 $3: 1$
4 $4: 1$
WAVES

172405 A string is divided into three segments, so that the segment possesses fundamental frequencies in the ratio $1: 2: 3$. Then, the segments are in the ratio

1 $6: 3: 2$
2 $4: 3: 2$
3 $4: 2: 1$
4 $3: 2: 1$
WAVES

172406 When the area of cross-section of a stretched wire is halved and tension is doubled, the speed of propagation of transverse waves along it becomes $k$ times the initial speed. Then, $k$

1 1
2 4
3 2
4 8
WAVES

172407 A uniform rope of length $12 \mathrm{~m}$ and mass $6 \mathrm{~kg}$ hangs vertically from a rigid support. A block of mass $2 \mathrm{~kg}$ is attached to the free end of the rope. A transverse pulse of wavelength $0.06 \mathrm{~m}$ is produced at the lower end of the rope. Wavelength of the pulse when it reaches the top of the rope is .......... .

1 $0.02 \mathrm{~m}$
2 $0.12 \mathrm{~m}$
3 $0.01 \mathrm{~m}$
4 $0.03 \mathrm{~m}$
WAVES

172408 A transverse wave is travelling with velocity ' $V$ ' through a metal wire of length ' $L$ ' and density ' $\rho$ '. The tensile stress on the wire is

1 $V^{2} \rho$
2 $\mathrm{V} \rho^{2}$
3 $\mathrm{V} \rho$
4 $\frac{\mathrm{V}}{\rho}$