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प्रश्न
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उत्तर
संबंधित प्रश्न
The frequency of a source of sound is 100 Hz. How many times does it vibrate in a minute?
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
Draw a graph between displacement from mean position and time for a body executing free vibrations in vacuum.
How does the velocity of a wave vary with temperature?
Fig. shows three ways in which a string of length l in an instrument can vibrate.
 |
 |
 |
| (i) | (ii) | (iii) |
- Which of the diagram shows the principle note?
- Which vibration has the frequency four times that of the first?
- Which vibration is of the longest wavelength?
- What is the ratio of the frequency of the vibration in (i) and (ii)?
Select the correct option:
If the frequency of a wave is 25 Hz. the total number of compressions and rarefactions passing through a point in 1 second is :
What do you understand by the term sound energy?
Sound is a ______ wave and needs a material medium to travel.
Sound can travel through solids, gases, liquids, and even vacuum.
