English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10

What is mean by reflection of sound? - Science

Advertisements
Advertisements

Question

What is mean by the reflection of sound?

Short Note

Solution

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

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Acoustics - Evaluation [Page 72]

APPEARS IN

Samacheer Kalvi Science [English] Class 10 SSLC TN Board
Chapter 5 Acoustics
Evaluation | Q IX. 2. | Page 72

RELATED QUESTIONS

The human ear can detect continuous sounds in the frequency range from 20 Hz to 20,000 Hz. Assuming that the speed of sound in air is 330 ms1 for all frequencies; calculate the wavelengths corresponding to the given extreme frequencies of the audible range


A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.

1) Calculate the speed with which this sound travels

2) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength 2.6 m?


Define frequency term in relation to a wave.


Define wavelength term in relation to a wave.


What is the shape of a soundboard kept behind the speaker on the stage of a big hall ?


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


What is the difference between echo and reverberation?

Explain how the principle of echo is used by

 The dolphin to locate small fish as its prey


What is meant by echo? What are the conditions necessary for its formation?

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

What are mechanical waves?


Point out the waves from the given list, i.e., light, sound, radio waves, ultrasonic waves, and thermal radiation, the energy is propagated by mechanical waves.


Mention two properties of a wave, one property which varies and the other which remains constant when the wave passes from one medium to another.


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.


A radio signal, sent towards the surface of the moon, is received in 2.5 seconds. If the speed of the radio waves is 3 × 108 ms−1, find the distance of the moon from the earth.


A sound wavelength of 0.332 m has a time period of 10−3 s. If the time period is decreased to 10−4 s, calculate the wavelength and frequency of the new wave.


Explain reflection at the boundary of a rarer medium.


Explain Reflection at curved surfaces.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×