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A sound wave travelling in air is made to propagate through a liquid such that the velocity of sound is quadrupled. If the frequency of the sound wave is constant, find the change in the wavelength of the sound wave

Which object is vibrating when the following sounds are produced? (i) The sound of a sitar (ii) The sound of a tabla (iii) The sound of a tuning fork (iv) The buzzing of a bee or mosquito (v) The sound of a flute

The laws of reflection or refraction are the same for sound as for light. The index of refraction of a medium (for sound) is defind as the ratio of the speed of sound in air 343 m//s to the speed of sound in the medium. What is the index of refraction (for sound) of water (v=1498 m//s) ? What is the critical angle theta , for total reflection of sound from water?

The laws of reflection or refraction are the same for sound as for light. The index of refraction of a medium (for sound) is defind as the ratio of the speed of sound in air 343 m//s to the speed of sound in the medium. What is the index of refraction (for sound) of water (v=1498 m//s) ? What is the critical angle theta , for total reflection of sound from water?