A stray dog senses a sound of frequency 20 Hz, and starts barking towards the direction of sound. How true the given situation is?

True

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False

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Solution

The correct option is B
False

It is not possible for a dog to sense or hear a sound of a frequency 20 Hz as it's audible range is approximately from 50 Hz to 45 kHz. The mentioned frequency does not fall in the given range, so this scenario is not possible where a dog senses a sound of 20 Hz.

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