DUX CBSE Class 8 Sound L1
Assessment
•
Manika Tiwari
•
Science
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8th Grade
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90 plays
•
Medium
Student preview
12 questions
Show answers
1.
Multiple Choice
The loudness of a sound depends on:
Amplitude
Frequency
Time period
Speed
2.
Multiple Choice
The loudness of sound is measured in units of
Decibel (dB)
Hertz (Hz)
Metre (m)
Metre/Second (m/s)
3.
Multiple Choice
Pitch of sound is determined by its
frequency
amplitude
speed
loudness
4.
Multiple Choice
Sound is a kind of
work
energy
force
pressure
5.
Multiple Choice
Human can hear sound in the range of
200-2000 Hz
20-20,000 Hz
2-20000 Hz
2000-200000 Hz
6.
Multiple Choice
The number of oscillations per second is called
Amplitude of oscillation
Pitch of oscillation
Frequency of oscillation
None of the above
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