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प्रश्न
Name the device which is used to produce sound in laboratory experiments?
उत्तर
Tuning fork is used to produce sound in laboratory experiments.
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संबंधित प्रश्न
Name two sources of sound.
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
Can sound travel through (a) iron, and (b) water?
Can sound travel through vacuum?
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
Which object is vibrating when the following sounds are produced?
(i) The sound of a sitar
(ii) The sound of a tabla
(iii) The sound of a tuning fork
(iv) The buzzing of a bee or mosquito
(v) The sound of a flute
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
Draw the sketches of two waves A and B such that wave A has twice the wavelength and half the amplitude of wave B.
A device called oscillator is used to send waves along a stretched string. The string is 20 cm long, and four complete waves fit along its length when the oscillator vibrates 30 times per second. For the waves on the strings.
(a) what is their wavelength?
(b) what is their frequency
(c) what is their speed?
Write the answer in your own words.
What is meant by vibration?