Some Systems Executing Simple Harmonic Motion
PHXI14:OSCILLATIONS

364373 A mass \(m\) is attached to two springs as shown in figure. The spring constants of two springs are \(K_{1}\) and \(K_{2}\). For the frictionless surface, the time period of oscillation of mass is
supporting img

1 \(2 \pi \sqrt{\dfrac{m}{K_{1}-K_{2}}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}-K_{2}}{m}}\)
3 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}+K_{2}}{m}}\)
4 \(2 \pi \sqrt{\dfrac{m}{K_{1}+K_{2}}}\)
PHXI14:OSCILLATIONS

364374 As shown in figure a simple harmonic motion oscillator having identical four springs has time period
supporting img

1 \(T=2 \pi \sqrt{\dfrac{m}{2 k}}\)
2 \(T=2 \pi \sqrt{\dfrac{m}{4 k}}\)
3 \(T=2 \pi \sqrt{\dfrac{m}{8 k}}\)
4 \(T=2 \pi \sqrt{\dfrac{m}{k}}\)
PHXI14:OSCILLATIONS

364375 A mass \(m\) is suspended separately by two different springs in successive order, then time periods is \(t_{1}\) and \(t_{2}\) respectively. If \(m\) is connected by both springs as shown in figure, then time period is \(t_{0}\), the correct relation is
supporting img

1 \(t_{0}^{-2}=t_{1}^{-2}+t_{2}^{-2}\)
2 \(t_{0}^{2}=t_{1}^{2}+t_{2}^{2}\)
3 \(t_{0}=t_{1}+t_{2}\)
4 \(t_{0}^{-1}=t_{1}^{-1}+t_{2}^{-1}\)
PHXI14:OSCILLATIONS

364376 In the figure all springs are identical having spring constant \(k\)and mass \(m\) each. The block also has mass \(m\). The frequency of oscillation of the block is:
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1 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{2 m}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{m}}\)
3 \(2 \pi \sqrt{\dfrac{3 m}{3 k}}\)
4 None of these
PHXI14:OSCILLATIONS

364373 A mass \(m\) is attached to two springs as shown in figure. The spring constants of two springs are \(K_{1}\) and \(K_{2}\). For the frictionless surface, the time period of oscillation of mass is
supporting img

1 \(2 \pi \sqrt{\dfrac{m}{K_{1}-K_{2}}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}-K_{2}}{m}}\)
3 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}+K_{2}}{m}}\)
4 \(2 \pi \sqrt{\dfrac{m}{K_{1}+K_{2}}}\)
PHXI14:OSCILLATIONS

364374 As shown in figure a simple harmonic motion oscillator having identical four springs has time period
supporting img

1 \(T=2 \pi \sqrt{\dfrac{m}{2 k}}\)
2 \(T=2 \pi \sqrt{\dfrac{m}{4 k}}\)
3 \(T=2 \pi \sqrt{\dfrac{m}{8 k}}\)
4 \(T=2 \pi \sqrt{\dfrac{m}{k}}\)
PHXI14:OSCILLATIONS

364375 A mass \(m\) is suspended separately by two different springs in successive order, then time periods is \(t_{1}\) and \(t_{2}\) respectively. If \(m\) is connected by both springs as shown in figure, then time period is \(t_{0}\), the correct relation is
supporting img

1 \(t_{0}^{-2}=t_{1}^{-2}+t_{2}^{-2}\)
2 \(t_{0}^{2}=t_{1}^{2}+t_{2}^{2}\)
3 \(t_{0}=t_{1}+t_{2}\)
4 \(t_{0}^{-1}=t_{1}^{-1}+t_{2}^{-1}\)
PHXI14:OSCILLATIONS

364376 In the figure all springs are identical having spring constant \(k\)and mass \(m\) each. The block also has mass \(m\). The frequency of oscillation of the block is:
supporting img

1 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{2 m}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{m}}\)
3 \(2 \pi \sqrt{\dfrac{3 m}{3 k}}\)
4 None of these
PHXI14:OSCILLATIONS

364373 A mass \(m\) is attached to two springs as shown in figure. The spring constants of two springs are \(K_{1}\) and \(K_{2}\). For the frictionless surface, the time period of oscillation of mass is
supporting img

1 \(2 \pi \sqrt{\dfrac{m}{K_{1}-K_{2}}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}-K_{2}}{m}}\)
3 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}+K_{2}}{m}}\)
4 \(2 \pi \sqrt{\dfrac{m}{K_{1}+K_{2}}}\)
PHXI14:OSCILLATIONS

364374 As shown in figure a simple harmonic motion oscillator having identical four springs has time period
supporting img

1 \(T=2 \pi \sqrt{\dfrac{m}{2 k}}\)
2 \(T=2 \pi \sqrt{\dfrac{m}{4 k}}\)
3 \(T=2 \pi \sqrt{\dfrac{m}{8 k}}\)
4 \(T=2 \pi \sqrt{\dfrac{m}{k}}\)
PHXI14:OSCILLATIONS

364375 A mass \(m\) is suspended separately by two different springs in successive order, then time periods is \(t_{1}\) and \(t_{2}\) respectively. If \(m\) is connected by both springs as shown in figure, then time period is \(t_{0}\), the correct relation is
supporting img

1 \(t_{0}^{-2}=t_{1}^{-2}+t_{2}^{-2}\)
2 \(t_{0}^{2}=t_{1}^{2}+t_{2}^{2}\)
3 \(t_{0}=t_{1}+t_{2}\)
4 \(t_{0}^{-1}=t_{1}^{-1}+t_{2}^{-1}\)
PHXI14:OSCILLATIONS

364376 In the figure all springs are identical having spring constant \(k\)and mass \(m\) each. The block also has mass \(m\). The frequency of oscillation of the block is:
supporting img

1 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{2 m}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{m}}\)
3 \(2 \pi \sqrt{\dfrac{3 m}{3 k}}\)
4 None of these
PHXI14:OSCILLATIONS

364373 A mass \(m\) is attached to two springs as shown in figure. The spring constants of two springs are \(K_{1}\) and \(K_{2}\). For the frictionless surface, the time period of oscillation of mass is
supporting img

1 \(2 \pi \sqrt{\dfrac{m}{K_{1}-K_{2}}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}-K_{2}}{m}}\)
3 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{K_{1}+K_{2}}{m}}\)
4 \(2 \pi \sqrt{\dfrac{m}{K_{1}+K_{2}}}\)
PHXI14:OSCILLATIONS

364374 As shown in figure a simple harmonic motion oscillator having identical four springs has time period
supporting img

1 \(T=2 \pi \sqrt{\dfrac{m}{2 k}}\)
2 \(T=2 \pi \sqrt{\dfrac{m}{4 k}}\)
3 \(T=2 \pi \sqrt{\dfrac{m}{8 k}}\)
4 \(T=2 \pi \sqrt{\dfrac{m}{k}}\)
PHXI14:OSCILLATIONS

364375 A mass \(m\) is suspended separately by two different springs in successive order, then time periods is \(t_{1}\) and \(t_{2}\) respectively. If \(m\) is connected by both springs as shown in figure, then time period is \(t_{0}\), the correct relation is
supporting img

1 \(t_{0}^{-2}=t_{1}^{-2}+t_{2}^{-2}\)
2 \(t_{0}^{2}=t_{1}^{2}+t_{2}^{2}\)
3 \(t_{0}=t_{1}+t_{2}\)
4 \(t_{0}^{-1}=t_{1}^{-1}+t_{2}^{-1}\)
PHXI14:OSCILLATIONS

364376 In the figure all springs are identical having spring constant \(k\)and mass \(m\) each. The block also has mass \(m\). The frequency of oscillation of the block is:
supporting img

1 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{2 m}}\)
2 \(\dfrac{1}{2 \pi} \sqrt{\dfrac{3 k}{m}}\)
3 \(2 \pi \sqrt{\dfrac{3 m}{3 k}}\)
4 None of these