Physics GK 16 - Sound Waves

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Speed of sound is maximum in which among the following?

Solids

liquids

Gases

Vaccum

When a tubelight breaks, a cracking sound is produced because ____?

Pressure inside the lamp is less than atmospheric pressure

Pressure inside the lamp is more than atmospheric pressure

The lamp is filled with reactive gases

The lamp is filled with mercury vapour

Which among the following is true regarding Sound Waves?

They are longitudinal waves and material medium is not required for their propagation

They are transverse waves and material medium is required for their propagation

They are longitudinal waves and material medium is required for their propagation

They are transverse waves and material medium is not required for their propagation

Which among the following principle is used by Bats?

RADAR (Radio Detective & Ranging

SONAR (Sound Navigation & Ranging

law of reflection

law of diffraction

Which of the following waves can be used to measure the speed of a approaching car?

Light waves

Micro waves

Radio waves

Sound waves

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