In Melde's experiment, the string vibrates in 4 loops when a 50 gra...

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In Melde's experiment, the string vibrates in 4 loops when a 50 gram weight is placed in the pan of weight 15 gram. To make
\( \mathrm{P} \) the string to vibrates in 6 loops the weight that has to be removed from the pan is:
W
(A) \( 0.0007 \mathrm{~kg} \) wt
(B) \( 0.0021 \mathrm{~kg} \mathrm{wt} \)
(C) \( 0.036 \mathrm{~kg} \mathrm{wt} \)
(D) \( 0.0029 \mathrm{~kg} \mathrm{wt} \)
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