super-conductor
insulator
metallic-conductor
semi-conductor
Sound becomes hazardous noise pollution at decibels?
Sound cannot pass through
Sound cannot travel though
Sound following a flash of lightning is called
Sound is heard over longer distances on rainy days as
Sound is heard over longer distances on rainy days because
Sound is produced by _ objects.
Sound of frequency below 20 Hz are called
Sound produced at a point is heard by a person after 5 s, while the same sound is heard by another person after 6 s. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?
Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?