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प्रश्न
Write true or false for a given statement.
Female voice is shriller than the male voice.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Select the correct alternative :
We can hear sound of frequency
What are ultrasonics? Can you hear the ultrasonic sound?
The longitudinal waves travel in a coiled spring at a rate of 4 m/s. The distance between two consecutive compressions is 20 cm. Find :
(i) Wavelength of the wave (ii) Frequency of the wave
A cannon is fired at A (see diagram). An observer at B hears two sounds. The first sound is heard after 1 second and the second 3s after the observer sees the flash. (Velocity of sound = 340 ms−1)
(i) Why does the observer see the flash before he hears the sound?
(ii) Calculate the distance x between the observer and the wall.
How do the following factor affect the speed of sound in air?
Pressure in air.
Can you hear the sound produced due to the vibrations of second's pendulum?
What is the effect of temperature and pressure on the speed of sound in a gas?
What is sound? Explain with example how does sound travel in a medium.
Suppose that a sound wave and a light wave have the same frequency, then which one has a longer wavelength?
Unwanted sounds are called ______.
