मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ९

The velocity of sound in solid is ______ than the velocity of sound in air.

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प्रश्न

The velocity of sound in solid is ______ than the velocity of sound in air.

रिकाम्या जागा भरा
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उत्तर

The velocity of sound in solid is faster than the velocity of sound in air.

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पाठ 8: Sound - Exercise [पृष्ठ १००]

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सामाचीर कलवी Science [English] Class 9 TN Board
पाठ 8 Sound
Exercise | Q II. 3. | पृष्ठ १००

संबंधित प्रश्‍न

Flash and thunder are produced simultaneously. But thunder is heard a few seconds after the flash is seen, why?


A boy fires a gun and another boy at a distance of 1020 m hears the sound of firing the gun 3 s after seeing its smoke. Find the speed of sound.


A boy on a hill A fires a gun. The other boy on hill B hears the sound after 4 s. If the speed of sound is 330 m s-1, find the distance between the two hills.


A sound signal of 128 vibrations per second has a wavelength of 2.7 m. Calculate the speed with which the wave travels.


The maximum speed of vibrations which produce audible sound will be in :


The incidence of ______ in daily life shows that the velocity of sound is less than the velocity of light.


The speed of sound in air at 0°C is 332 m/s. If it increases at the rate of 0.6 m/s per degree, what will be the temperature when the velocity has increased to 344 m/s?


Velocity of sound in the atmosphere of a planet is 500 ms–1. The minimum distance between the sources of sound and the obstacle to hear the echo should be


Establish the relationship between the speed of sound, its wavelength and frequency. If the velocity of sound in air is 340 m s–1, calculate

(i) wavelength when the frequency is 256 Hz.

(ii) frequency when the wavelength is 0.85 m


Numerical problems:

Two persons are at opposite ends of a steel rod. One strikes the end of the rod with a stone. Find the ratio of time taken by the sound wave in the air and in steel to reach the second person. (Sound of speed in steel = 5960 ms-1, Sound of speed in air = 344 ms-1).


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