AIIMS2002Physics-Waves
AIIMS 2002 Physics Sound Waves MCQ Question
Type: MCQ-numerical-Medium-Class 11
A string in a musical instrument is 50 cm long and its fundamental frequency is 800 Hz. If a frequency of 1000 Hz is to be produced, then required length of string is
A
52.5 cm
B
40 cm
C
50 cm
D
37.5 cm
Correct Answer
Option B
Detailed Explanation
Initial length of string (l) = 50 cm = 0.5 m. Initial fundamental frequency (n_1) = 800 Hz and final frequency (n_2) = 1000 Hz.
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