what is the use of ultrasound whistle for police?
Answers
Answered by
6
Hello,
Here's the answer :-
Policemen use a special ultrasonic whistle called Galton 's whistle. This whistle has the frequency of 40000 Hz and is audible to dogs only.The police dogs hear the whistle and react to the given command through the whistle.
Hope it helped :-)
Here's the answer :-
Policemen use a special ultrasonic whistle called Galton 's whistle. This whistle has the frequency of 40000 Hz and is audible to dogs only.The police dogs hear the whistle and react to the given command through the whistle.
Hope it helped :-)
Similar questions