What should be done to increase the pitch of a string instrument?
I.Increase the length of the string used
II.Decrease the guage of the string used
III.Loosen the string
IV.Tighten the string

I and IV

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II and IV

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I, II and IV

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I and II

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Solution

The correct option is B II and IV
Option:(b)

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Similar questions

Q. What should one do if he wishes to increase the pitch of a string type instrument.

1

. Increase the length of the string used

2

. Decrease the gauge of the string used

3

. Loosen the string

4

. Tighten the string

The length of a stretched string is doubled and tension is increased 100 times. What will happen to the pitch of the sound produced by the string?

A musical instrument is made using four different metal strings. $1, 2, 3$ and 4 with mass per unit length $μ, 2 μ, 3 μ$ and $4 μ$ respectively. The instrument is played by vibrating the strings by varying the free length in between the range $L_{0} and 2 L_{0} . It is found that in string- 1 (μ)$ at free length $L_{0}$ and tension $T_{0}$ the fundamental mode frequency is $f_{0} .$ List-I gives the above four strings while List-II lists the magnitude of some quantity.

	List-I		List-II
(i)	String-1 $(μ)$	(P)	$1$
(ii)	String-2 $(2 μ)$	(Q)	$1 / 2$
(iii)	String- 3 $(3 μ)$	(R)	$1 / \sqrt{2}$
(iv)	String-4 $(4 μ)$	(S)	$1 / \sqrt{3}$
		(T)	$3 / 16$
		(U)	$1 / 16$