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PDF chapter test
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Subjects
Science CBSE
Class 8
Sound
Textbook questions
6.
Exercise IV - Fill in the blanks II
Exercise condition:
4
m.
Drag and Drop the correct answer
:
Answer variants:
amplitude
time period
frequency
noise
hertz
1.
Unwanted sound is called
.
2.
The shrillness of a sound is determined by the
of vibration
.
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