Physics

A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.

Sound

ICSE 2019

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Answer

When the holes near the mouth are closed, the effective length of air column increases so the pitch of sound decreases as the frequency of note produced is inversely proportional to the length of air column.

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Physics

A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.

Sound

ICSE 2019

Answer

Related Questions

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Physics

A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.

Sound

ICSE 2019

Answer

Related Questions

The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of the ray PQ till it emerges out of the block. [Write necessary angles.]

(i) If the lens is placed in water instead of air, how does it's focal length change?(ii) Which lens, thick or thin has greater focal length?

The specific heat capacity of a substance A is 3,800 J kg-1K-1 and that of a substance B is 400 J kg-1K-1. Which of the two substances is a good conductor of heat? Give a reason for your answer.

(i) If the lens is placed in water instead of air, how does it's focal length change?
(ii) Which lens, thick or thin has greater focal length?

The specific heat capacity of a substance A is 3,800 J kg^-1K^-1 and that of a substance B is 400 J kg^-1K^-1. Which of the two substances is a good conductor of heat? Give a reason for your answer.