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Oscillation and Wavelength Concepts

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Questions and Answers

What does wavelength represent in the context of waves?

The distance between two consecutive crests or troughs (correct)
The distance travelled by the wave in a given time
Number of crests and troughs passing a point in one second
The maximum displacement of a particle

How is frequency of a sound wave defined?

The maximum displacement of a particle from its mean position
The number of oscillations made by a particle in one second (correct)
The time taken to complete one oscillation
The distance travelled by the wave in a given time

What is the SI unit of wavelength?

Second
Hertz
Newton
Metre (correct)

Which of the following best describes amplitude?

Maximum displacement of a particle from its mean position (B) Signup and view all the answers

What is the time period of an oscillation?

Time taken to complete one oscillation (D) Signup and view all the answers

What is the main difference between monophonic music and polyphonic music?

Monophonic music is composed in simple tones, while polyphonic music is a mixture of pure tones played together. (A) Signup and view all the answers

What type of sound is described as monotone?

'A tone with pressure variation described by a single frequency (B) Signup and view all the answers

What characterizes the intensity or loudness of sound?

The loudness of sound is the degree of sensation produced in the ear, while intensity is the amount of vibrational energy per unit area per second. (A) Signup and view all the answers

How does pitch or shrillness relate to frequency in sound?

High pitch corresponds to high frequency, while low pitch corresponds to low frequency. (C) Signup and view all the answers

What defines quality or timbre of a sound?

Quality or timbre distinguishes between sounds even if they have the same intensity and pitch. (C) Signup and view all the answers

How is intensity related to loudness in pure tones with increasing frequency?

Loudness increases with increasing frequency, but intensity decreases with increasing frequency. (A) Signup and view all the answers

What distinguishes monophonic music from polyphonic music in terms of composition?

Polyphonic music involves a mixture of pure tones played together, while monophonic music contains simple tones. (D) Signup and view all the answers

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