Question 475: Waves

Question

In a guitar, two strings A and B made of same material are slightly out of tune and produce beats of frequency 6 Hz. When tension in B is slightly decreased, the beat frequency of A is 530 Hz, the original freqnency of B will be :

Accepted Answer

Difference of $${f _A} > {f _B}$$
$${f_A} - {f_B}$$
= 6 Hz
$${f_A}$$
 = 530 Hz
$${f_B}$$ = 524 Hz (original)

Answer

524 Hz

Answer

536 Hz

Answer

537 Hz

Answer

523 Hz

Waves

In a guitar, two strings A and B made of same material are slightly out of tune and produce beats of frequency 6 Hz. When tension in B is slightly decreased, the beat frequency of A is 530 Hz, the original freqnency of B will be :

Choose the correct answer: