Advertisements
Advertisements
प्रश्न
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
With reference to the frequency, describe the movement of water on the surface
उत्तर
Frequency = f = 8Hz
⇒ 8 continuous progressive transverse wave move over the surface of water in one second.
APPEARS IN
संबंधित प्रश्न
What is loudness of sound? What factors does it depend on?
You recognize your friend by hearing his voice on a telephone. Explain.
How can the pitch of sound produced in a piano be changed ?
In fig. 2 two musical notes of the same pitch and same loudness are played on a violin and on a piano. Their wave forms are as shown in the diagram below. Explain why the wave patterns are different.
A bat emits an ultrasonic sound of frequency 0.25 MHz. Calculate the time in which one vibration is completed.
What causes sound in air?
Match the following.
| Ultrasonics | Frequency below 20Hz |
| Speed of sound in air | Needs material medium |
| Infrasonics | 330ms-1 |
| Sound propagation | Frequency more than 20000 Hz |
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
Why does an empty vessel produce more sound than a filled one?
