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Chapter 23: Sound Waves - Science Mcqs for Grade 7
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Chapter 23: Sound Waves - Science Mcqs for Grade 7
>> The level of sound of normal conversation is
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Q. The level of sound of normal conversation is
a.
10 dB
b.
20 dB
c.
50 dB
d.
60 dB
ANSWER: 60 dB
Answer & Explanation
No explanation is available for this question!
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