Masses \[{{M}_{A}}\] and \[{{M}_{B}}\] hanging from the ends of strings of lengths \[{{L}_{A}}\] and \[{{L}_{B}}\] are executing simple harmonic- motions. If their frequencies are \[{{f}_{A}}=2{{f}_{B}}\], then

\[{{L}_{A}}=2{{L}_{B}}\,\,\,and\,{{M}_{A}}=2{{M}_{B}}\]

\[{{L}_{A}}=2{{L}_{B}}\,and\,{{M}_{A}}={{M}_{B}}/2\]

\[{{L}_{A}}=4{{L}_{B}}\] regardless of masses

\[{{L}_{A}}={{L}_{B}}/4\] regardless of masses

Masses \[{{M}_{A}}\] and \[{{M}_{B}}\] hanging from the ends of string

1.	Masses \[{{M}_{A}}\] and \[{{M}_{B}}\] hanging from the ends of strings of lengths \[{{L}_{A}}\] and \[{{L}_{B}}\] are executing simple harmonic- motions. If their frequencies are \[{{f}_{A}}=2{{f}_{B}}\], then
A.	\[{{L}_{A}}=2{{L}_{B}}\,and\,{{M}_{A}}={{M}_{B}}/2\]
B.	\[{{L}_{A}}=4{{L}_{B}}\] regardless of masses
C.	\[{{L}_{A}}={{L}_{B}}/4\] regardless of masses
D.	\[{{L}_{A}}=2{{L}_{B}}\,\,\,and\,{{M}_{A}}=2{{M}_{B}}\]
Answer» D. \[{{L}_{A}}=2{{L}_{B}}\,\,\,and\,{{M}_{A}}=2{{M}_{B}}\]