When you increase the loudness of the sound of ringtone of your mobile phone, the frequency of the ringtone (a) increases (b) decreases (c) remains the same (d) cannot be determined.
(c) remains the same
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15
Sound is produced due to ________ of the body in a _________.
vibrations , medium
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15
In the diagram shown, which factor of the wave varies and how?
Frequency of the second wave is more than the first wave.
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15
What is labelled as 'A' in the diagram shown below?
Amplitude
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15
Sound will travel fastest in which of mediums fastest: Solid or Liquid or Gas?
Solid
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15
Frequency is represented by which of the following units.
Hertz
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lifesaver
Give 20 points!
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magnet
Take 25 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 25 points!
Oops!
boom
Lose 50 points!
Oops!
shark
Other team loses 25 points!
Okay!
gift
Win 5 points!
Okay!
thief
Give points!
5
10
15
20
25
15
Arrange the following waves as per their ascending amplitudes.
a , c, b
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15
Identify part 'F' in the diagram given below.
Trough
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15
Name the phenomenon when the sound gets repeated after reflection?