Category: CBSE

Central Board of secondary education

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Srushti

When two loudspeakers are played simultaneously and a listener at a particular place cannot hear the sound, the reason is interference. Specifically, destructive interference occurs when sound waves from the speakers meet out of phase, canceling each other out and ...

Srushti

The special sound heard as a jug fills with water is due to resonance. As water fills the jug, the air column’s length inside changes, altering its natural frequency. When the air column’s frequency matches the filling water’s sound waves, ...

Srushti

If Tansen’s singing could break window panes or glass glasses, it would be due to resonance. The sound waves from his voice would match the natural frequency of the glass, causing it to vibrate intensely. This amplification of vibrations could ...