Two springs of force constant $K$ and $2K$ are connected to a mass as shown below. The frequency of oscillation of the mass is

818-1358

  • A

    $\frac{{3K}}{M}$

  • B

    $\pi \,\sqrt {\frac{{6M}}{K}} $

  • C

    $\frac{1}{{2\pi }}\,\sqrt {\frac{{3K}}{M}} $

  • D

    $\frac{1}{\pi }\,\sqrt {\frac{K}{{6M}}} $

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Is the following Statement True or False ?

$1.$ If the spring is cut in two equal piece the spring constant of every piece decreases.

$2.$ Displacement of $SHO$ increases, its acceleration decrease. 

$3.$ A system can happen to oscillate, have more than one natural frequency.

$4.$ The periodic time of $SHM$ depend on amplitude or energy or phase constant.

Two springs of force constants $K$ and $2K$ are connected to a mass as shown below. The frequency of oscillation of the mass is

  • [AIIMS 2003]

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