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प्रश्न
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
विकल्प
amplitude
loudness
pitch
none of the above.
उत्तर
pitch
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
Larger is the amplitude, feeble is the sound.
| Column A | Column B |
| (a) Vibrations cause | (1) absorb sound |
| (b) A shriller sound is | (2) second |
| (c) Unit of frequency | (3) sound |
| (d) Unit of time period | (4) of high pitch |
| (e) Curtains | (5) hertz |
How does a bat make use of ultrasonics waves to find its way?
Are sound waves longitudinal or transverse?
What is a transverse wave? In which medium: solid, liquid or gas, can it be produced?
How is sound perceived by us?
What is musical sound? Give an example.
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
If the wavelength of the transverse wave is 32 mm, calculate the speed with which wave travels across the surface of the water.
A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.
The smoke from the gun barrel is seen 2 second before the explosion is heard. If the speed of sound in air is 350 ms-1, calculate the distance of observer from the gun.
