Advertisements
Advertisements
प्रश्न
Draw displacement-time graph of a wave and show on it the amplitude and time period of wave.
आकृती
Advertisements
उत्तर
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
How do we produce sound ?
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
The speed of a wave is 350 ms-1. Find the wavelength of the wave whose frequency is 700 Hz.
Define the term wavelength applied to a sound wave.
Match the pairs.
| Group ‘A’ | Group ‘B’ |
| (a) Flute | (1) Frequency less than 20 Hz |
| (b) Frequency | (2) Frequency more than 20000 Hz |
| (c) Sound level | (3) Vibrations in the air |
| (d) Ultrasonic sound | (4) Measured in Hz |
| (e) Infrasonic sound | (5) Decibel |
What is the ratio of speed of light to speed of sound?
What cause sound? Why do we require a material medium for the transmission of sound?
The sound of which of the following frequency is audible to us?
2 Hz, 1000 Hz, 200 kHz, 8 MHz
