ICSE /Class 8
Physics MCQ Based On Monotone
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ICSE Class 8 Physics Monotone
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Monotone refers to a sound,
Observe the diagram carefully.
Sound is a mechanical wave and needs a medium to propagate, and in space there is no atmosphere.
Since there is no atmosphere on the moon virtually so the sound cannot propagate from one point to another as it requires a medium to propagate from one point to another.
The pitch depends on how often a particle vibrates when a wave passes through, otherwise known as the frequency of the wave.
The ratio of the loudness can be determined with the help of the following relation:
\\(\\frac{L_{1}}{L_{2}}=\\frac{(a_{1})^{2}}{(a_{2})^{2}}\\)
Recall the concept
Read the options carefully!!
We know that frequency, \\(f = \\frac{1}{T}\\); Here T = Time period.
Sound is a mechanical wave in which the medium particles oscillate about their mean position and helps in the propagation of the disturbance/wave. Light being an electromagnetic wave doesn't require any medium for its propagation. The oscillations in a light wave are of magnetic and electric fields which are not of particle nature.
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