Ultrasonic sound kyu Sinai nahi deti voto 20000.herts se upper hai
Hello Champion Welcome Back
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
while Jnvst Exam Preparation ?Don't worry 
Ask Your Questions Here and Get answered by Experts of All Rounder BSS and Many more of your friends and Teachers.
Ultrasonic sound kyu Sinai nahi deti voto 20000.herts se upper hai
Because range of hearing of human is 20hartz to 20000hartz and ultrasonic wave frequency is greater than 20000hartz so that is the reason we can't hear to ultrasonic sound.
Because range of hearing of human is 20hartz to 20000hartz and ultrasonic wave frequency is greater than 20000hartz so that is the reason we can’t hear to ultrasonic sound.
See less