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Introduction to Sound

Why does wate...

Question

Why does water sing when it is heated in a kettle?

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Solution

Bubbles which rise to the surface collapse with a sound.

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Similar questions

Q. An electric kettle has two heating filaments. One brings it to boil in

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and the other in

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when they are connected across the same potential difference. If the two heating filaments are connected in parallel, then water in kettle will boil in

k g

20^{o} C

, is heated in an electric kettle whose heating element has a mean (temperature averaged) resistance of

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. The rms voltage in the mains is

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. Ignoring heat loss from the kettle. time taken for water to evaporate folly. is close to:
[Specific heat of water

= 4200 J / k g^{o} C

), Latent heat of water

= 2260 k J / k g

Q. A kettle with 2 litre water at 27

^{\circ}

is heated by operating coil heater of power 1 kW. The heat is lost to the atmosphere at constant rate 160

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with the lid open? (specific heat of water = 4.2

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Q. An electric kettle has two heating elements. One brings it to boil in

10

min and the other in

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Q. A kettle with

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