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The pitch of sound depends on frequency.
Concept: undefined >> undefined
Decibel is the unit of pitch of a sound.
Concept: undefined >> undefined
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Flow of protons constitutes electric current.
Concept: undefined >> undefined
The time period of a wave is 2 s. Its frequency is ..........
Concept: undefined >> undefined
The pitch of a stringed instrument is increased by .................. tension in string.
Concept: undefined >> undefined
The pitch of a flute is decreased by ................... length of air column.
Concept: undefined >> undefined
Smaller the membrane, .................. is the pitch.
Concept: undefined >> undefined
If a drum is beaten hard, its loudness ................
Concept: undefined >> undefined
Overloading of electric current in circuits can lead to short-circuiting.
Concept: undefined >> undefined
A tuning fork produces sound of ................... frequency.
Concept: undefined >> undefined
Write true or false
Overloading of electric current in circuits can lead to short circuiting.
Concept: undefined >> undefined
The earth wire protects us from an electric shock.
Concept: undefined >> undefined
In a cable, the green wire is the live wire.
Concept: undefined >> undefined
A fuse is connected to the live wire.
Concept: undefined >> undefined
A switch is connected to the neutral wire.
Concept: undefined >> undefined
Match the following
| column A | column B |
| (A) Amplitude | (1) frequency |
| (B) Frequency | (2) amplitude |
| (C) Loudness | (3)maximum displacement on either side |
| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
Concept: undefined >> undefined
When sound travels in form of a wave
Concept: undefined >> undefined
The safe limit of loudness of audible sound is
Concept: undefined >> undefined
