हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा १०

What is mean by reflection of sound?

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प्रश्न

What is mean by the reflection of sound?

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उत्तर

Reflection of Sound:
The bouncing of sound waves from the interface between two media is termed as the reflection of sound.

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अध्याय 5: Acoustics - Evaluation [पृष्ठ ७२]

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सामाचीर कलवी Science [English] Class 10 SSLC TN Board
अध्याय 5 Acoustics
Evaluation | Q IX. 2. | पृष्ठ ७२

संबंधित प्रश्न

Why are the ceilings of concert halls curved?


How is the frequency of a stretched string related it’s tension?


Name the characteristic of sound in relation to its waveform.


A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which changes.


State the use of echo by a bat, dolphin and fisherman.


Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.


What is a stethoscope ? Name the principle on which a stethoscope works.


What is the full form of SONAR?

Explain how the principle of echo is used by the bat during its flight at night.


Name the waves which are used in sonar to find the depth of sea.

Why do echoes produced in an empty auditorium usually decrease when it is full of audience?

Write the approximate value of the speed of sound in water.


State two factors on which the natural frequency of a body depends.


A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.


Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?


When a sound is made from a distance of 18 m, in front of a tall building, it is found to get repeated again. Which phenomenon is associated with this observation? Give a brief explanation of this phenomenon?


Draw a diagram representing a wave of amplitude 4 cm and wavelength 2 m. If the frequency of the wave is 150 Hz, calculate its velocity.


Waves produced on the surface of the water are formed to move with a velocity of 24 ms−1. If the wavelength of these waves equals 20 cm. find the
(i) frequency (no. of waves produced per second)
(ii) the time period (i.e. the time required to produce one wave) for these waves.


The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.


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