मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (मराठी सेमी-इंग्रजी) इयत्ता ९ वी

Fill in the blank and explain. Sound does not travel through ______.

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प्रश्न

Fill in the blank and explain.

Sound does not travel through ______.

रिकाम्या जागा भरा
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उत्तर

Sound does not travel through vacuum.

Explanation:

  1. Sound waves need to travel through a medium such as a solid, liquid, or gas.
  2. The sound waves move through each of these mediums by vibrating the molecules in the matter.
  3. Sound cannot travel through a vacuum.
  4. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.
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पाठ 12: Study of Sound - Exercise [पृष्ठ १३७]

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बालभारती Science and Technology [English] Standard 9 Maharashtra State
पाठ 12 Study of Sound
Exercise | Q 1. a. | पृष्ठ १३७

संबंधित प्रश्‍न

Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.


Cite an experiment to show that sound needs a material medium for its propagation.


Can sound travel through a vacuum ? Describe an experiment to explain your answer.


In which medium sound travels fastest : air, water or steel?


When we open a gas tap of a few seconds, the sound of escaping gas is heard first but the smell of gas comes later. Why?


The frequency of the sound emitted by the loudspeaker is 1020 Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340 m/s.


Describe an experiment to show that sound cannot pass through vacuum.


Define the terms 'frequency', 'wavelength' and 'velocity' of a sound wave. What is the relation between them?


Through which of the following materials can sound travel? wood, air, water, steam, ice, hydrogen, steel, diamond.


The velocities of sound waves in four media P, Q, R and S are 18,000 km/h, 900 km/h, 0 km/h and 1200 km/h respectively. Which medium could be a liquid substance?


Flash of lightning reaches earlier than the sound of thunder. Explain the reason.


Does the speed of sound in a gas depend on the pressure of the gas?


Explain the effect of density on the speed of sound.


Does audible range of frequency vary from person and also with the age of the person?


Do all animals have same ranges of audible frequencies?


Name the Sound of the Frequency Given Below:
2000 Hz


Name the Sound of the Frequency Given Below:
45 kHz


State three characteristics of the medium required for the propagation of sound.


______ is the number of vibrations of a particle in the medium, in one second


The small to and fro motion is called vibration.


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