₹25.00
Materials:-
1.Pencils
2. rubber bands
3. cardboard box.
Some details about products:-
In this activity, The longer length of the rubber
band makes a low, long, heavy sound and vibrates at a
slower rate of frequency. The shorter length of the rubber
band makes a high, short sound and vibrates at a
faster rate or frequency. The shorter length causes
the band to vibrate faster and produces a higher pitch.
Materials:-
1.Pencils
2. rubber bands
3. cardboard box.
Some details about products:-
In this activity, The longer length of the rubber
band makes a low, long, heavy sound and vibrates at a
slower rate of frequency. The shorter length of the rubber
band makes a high, short sound and vibrates at a
faster rate or frequency. The shorter length causes
the band to vibrate faster and produces a higher pitch.
Materials:-
CD Or DVD
More details about this:-
Dispersion is the phenomenon in which the phase velocity a wave depends on its frequency. Media having this common property may be termed dispersive…
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