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You recognize your friend by hearing his voice on a telephone . Explain .
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We can recognize our friend by hearing his voice on a telephone.
This is due to quality of sound and pitch of sound.
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Practice questions from similar books
Question 1
Science fiction films often show battles between spaceships. Four friends were arguing what would someone in space hear if an enemy spaceship exploded?Rekha said, 'they would hear a big explosion.'
Renu saud,'they will not hear anything as there is no medium for sound to travel, but they can see the explosion.'
Ramesh said, 'yes, they will not hear anything and they will not be able to see the explosion.'
Raghav said,'the explosion produces sound of frequency above 20,000 Hz hence we cannot hear it.'
Who is correct?
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| Question Text | You recognize your friend by hearing his voice on a telephone . Explain . |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
