B. Fill in the blanks:1. Sound cannot travel through2. The speed of sound in iron isthan in air.3. The speed of sound in water isthan in iron.4. Sound, pleasant to the ear, is calledand that unpleasant to the ear iscalled.5. The vibrations in objects are responsible to produce6. Sound energy is converted intoenergy by the use of a microphone.7. Aloud-speaker convertsenergy intoenergy8. The minimum distance of a reflector to hear an echo from it, ismin air.7. The rain, lightning and thunder arephenomena.

B. Fill in the blanks:1. Sound cannot travel through2. The speed of so

1.	B. Fill in the blanks:1. Sound cannot travel through2. The speed of sound in iron isthan in air.3. The speed of sound in water isthan in iron.4. Sound, pleasant to the ear, is calledand that unpleasant to the ear iscalled.5. The vibrations in objects are responsible to produce6. Sound energy is converted intoenergy by the use of a microphone.7. Aloud-speaker convertsenergy intoenergy8. The minimum distance of a reflector to hear an echo from it, ismin air.7. The rain, lightning and thunder arephenomena.
Answer» <html><body><p><strong>Answer:</strong></p><p>1) the <a href="https://interviewquestions.tuteehub.com/tag/sound-648690" style="font-weight:bold;" target="_blank" title="Click to know more about SOUND">SOUND</a> can not <a href="https://interviewquestions.tuteehub.com/tag/travel-1426745" style="font-weight:bold;" target="_blank" title="Click to know more about TRAVEL">TRAVEL</a> through <a href="https://interviewquestions.tuteehub.com/tag/vacuum-1442069" style="font-weight:bold;" target="_blank" title="Click to know more about VACUUM">VACUUM</a> </p></body></html>

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